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'.
One example is below.
Q: Passage: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Lô during July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Link Information: Operation Market Garden was a failed World War II military operation fought in the Netherlands from 17 to 25 September 1944. Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin?
A: from 17 to 25 September 1944
Rationale: The passage describes the 704th's actions during Operation Market Garden, and the answer specifies when the operation happened.
Q: Passage: Kakizaki Hakyō was born in Matsumae Castle in 1764, the fifth son of the Matsumae Domain daimyō . The following year he was adopted as successor by karō (chief retainer or house elder) . At a young age he travelled to Edo, where he studied under and Sō Shiseki, learning the style of the Nanpin school. In the aftermath of the Menashi–Kunashir rebellion, he painted the , portraits of twelve Ainu chiefs who had sided with the Matsumae Domain; this series was presented to Emperor Kōkaku. In 1791 he journeyed to Kyōto, where he studied under Maruyama Ōkyo. His style was influenced by his exchanges with the painters and literati of the Maruyama-Shijō school and he became friends with , , and in particular , with whom he hosted a moon-viewing party for , attended also by . From 1807, when the Matsumae clan were transferred to the , based around Yanagawa in Mutsu Province, Kakizaki Hakyō as karō worked for their reinstatement. In 1826, after falling ill in Edo, he died in his home town of Matsumae.
 Link Information: First built in 1606 Question: How long had Matsumae Castle existed for the year that Hakyō was born?
A:

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: 158