In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Passage: In March 2011, Aiko made her return to music with the release of her first full-length project, a mixtape titled Sailing Soul(s). On December 16, 2011, Aiko signed a recording contract with American record producer No I.D.'s record label ARTium, distributed through Def Jam Recordings. In 2013, Aiko appeared on Big Sean's single "Beware", also featuring Lil Wayne, which became her first top 40 single on the US Billboard Hot 100 chart. In November 2013, she released her first project for Artium and Def Jam, an extended play (EP), titled Sail Out. The EP was supported by the singles "", "Bed Peace" and "The Worst", the latter of which went on to become certified platinum by the Recording Industry Association of America (RIAA). Aiko released her major-label debut album, Souled Out, on September 9, 2014. On September 22, 2017, she released her second studio album Trip.
 Link Information: Founding and CBS Records Group era (1983–1994). Question: How many years after its founding did Aiko's distribution company sign her as an artist?
Answer: 28

Passage: While working as a model after completing her master's degree, Reed was invited to a WWE tryout in 2011. She signed a developmental contract with WWE in March 2011 and was assigned to Florida Championship Wrestling (FCW). The following month, she debuted under the ring name Brandi, accompanying Lucky Cannon at an FCW house show. On May 12, she began working as a ring announcer on weekly episodes of Superstars. On July 11, Reed also began announcing duties on NXT, under the ring name Eden Stiles. She filled in as the ring announcer for SmackDown on the July 15 and November 11 episodes. Her only match took place on July 16 at FCW Summer SlamaRama, where she was involved in a battle royal, which was won by Sonia. In December, at her request, Reed was released from her WWE contract.
 Link Information: none Question: How old is the organization that Rhodes signed a contract with in 2011?
Answer: none

Passage: Born the son of Colonel Arthur Hare Vincent and Elizabeth Rose Manson and educated at Wellington College and the Royal Military Academy, Woolwich, Vincent was commissioned into the Royal Artillery as a second lieutenant on 24 July 1891. He was promoted to lieutenant on 24 July 1894 and to captain on 13 February 1900. He served with the China Expeditionary Force in late 1900 and then in the Second Boer War in South Africa. Following the end of the war, Vincent left Point Natal for India on the SS Ionian in October 1902 with other officers and men of the J Battery Royal Horse Artillery, and after arrival in Bombay, was stationed in Meerut, Bengal Presidency. In 1903, Vincent was sent to Tokyo to learn Japanese: he served as British military attaché with the Japanese Army during the Russo-Japanese War and, from 1 March 1904, was attached to the 2nd Division of the First Japanese Army in Manchuria.
 Link Information:  For example, during the Tianjin fighting, the Japanese, while comprising less than one quarter (3,800) of the total allied force of 17,000, suffered more than half of the casualties, 400 out of 730. Similarly at Beijing, the Japanese, constituting slightly less than half of the assault force, accounted for almost two-thirds of the losses, 280 of 453. Question: How many casualties had the Japanese Army suffered by the time Vincent was sent to Tokyo?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Answer: , 400 

