Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Q: Context : Window Water Baby Moving is an experimental short film by Stan Brakhage, filmed in November 1958 and released in 1959. 
Question : Who is the director for Window Water Baby Moving?

A: director
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Q: Context : The Paveway IV entered service with the Royal Navy in 2008. 
Question : Which was the official year for the approval of Paveway IV?

A: service entry
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Q: Context : Raymond Duc (31 October 1917 -- 19 September 1950) was a French soldier who fought in World War II and the First Indochina War. 
Question : When did Raymond Duc die?

A:
date of death
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