## question
Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spinal cord. It is produced by the specialised ependymal cells in the choroid plexuses of the ventricles of the brain, and absorbed in the arachnoid granulations. There is about 125mL of CSF at any one time, and about 500mL is generated every day. CSF acts as a cushion or buffer for the brain, providing basic mechanical and immunological protection to the brain inside the skull. CSF also serves a vital function in cerebral autoregulation of cerebral blood flow.

Answer this question: what is the liquid in the brain called?
## answer
This is the relevant information: Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spinal cord.
So the answer must be Cerebrospinal fluid ( CSF )

## question
A Day Without Rain is the fifth studio album by the Irish singer, songwriter and musician Enya, released on 20 November 2000 by Warner Music internationally and 21 November 2000 by Reprise Records in the United States. Following a promotional tour in support of her compilation album Paint the Sky with Stars (1997), Enya took a short break before she resumed writing and recording a new album in 1998 with her usual recording partners, producer and arranger Nicky Ryan and his wife, lyricist Roma Ryan. While making the album, Enya started to question about her life and attempted to answered them in the material she was writing. In a musical departure from her previous albums, Enya incorporates a string section which was not a conscious decision.

Artist with the seven times platinum album a day without rain?
## answer
The relevant information to answer the above question is: A Day Without Rain is the fifth studio album by the Irish singer, songwriter and musician Enya, released on 20 November 2000 by Warner Music internationally and 21 November 2000 by Reprise Records in the United States.
So the answer must be the Irish singer , songwriter and musician Enya

## question
A dead end is a street with only one inlet / outlet. A dead end is also known as a cul-de-sac (/ ˈkʌldəsæk / or / ˈkʊldəsæk /, from French for cul ( "bottom") + de ("of") + sac ("bag, sack") ) or no exit road in certain contexts and dialects.

Based on this passage, where does the term cul de sac come from?
## answer
The relevant sentence in the passage is: A dead end is also known as a cul-de-sac (/ ˈkʌldəsæk / or / ˈkʊldəsæk /, from French for cul ( "bottom") + de ("of") + sac ("bag, sack") ) or no exit road in certain contexts and dialects.
So the answer must be from French for cul ( `` bottom '' ) + de ( `` of '' ) + sac ( `` bag , sack '' )

## question
Ranil Wickramasinghe has been sworn in as prime minister the most times in the country's history, on four separate occasions (May 1993, December 2001, January 2015 and August 2015), whilst Dudley Shelton Senanayaka and Sirimavo Bandaranayake were appointed three times.

Answer this question based on the passage: who was the first sri lankan politician who held the office of the prime minister for four times?
## answer

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
The important part for answering this question is: Ranil Wickramasinghe has been sworn in as prime minister the most times in the country's history, on four separate occasions (May 1993, December 2001, January 2015 and August 2015), whilst Dudley Shelton Senanayaka and Sirimavo Bandaranayake were appointed three times.
So the answer must be Ranil Wickramasinghe