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 : He created the Christopher Reeve Foundation (currently known as the Christopher and Dana Reeve Foundation) to speed up research through funding, and to use grants to improve the quality of the lives of people with disabilities. 
Question : What is Christopher Reeve's spouse's name?

A: spouse
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Q: Context : Earl Derr Biggers (August 26, 1884 -- April 5, 1933) was an American novelist and playwright. 
Question : What is the university where Earl Derr Biggers went?

A: educated at
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Q: Context : The Helmut Schmidt University (German: Helmut-Schmidt-Universität), located in Hamburg, Germany, is a German military educational establishment that was founded in 1973 at the initiative of the then-Federal Minister of Defence, Helmut Schmidt. 
Question : What year was the service entry date for Helmut Schmidt University?

A:
service entry
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