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 : Caleb Powers (February 1, 1869 -- July 25, 1932) was a United States Representative from Kentucky and the first Secretary of State of Kentucky convicted as an accessory to murder. 
Question : For what crime was Caleb Powers prosecuted?

A: convicted of
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Q: Context : SpatiaLite is provided natively for Linux and Windows as a software library as well several utilities that incorporate the SpatiaLite library. 
Question : Which is the basis of SpatiaLite?

A: based on
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Q: Context : Hamilton Owen Rendel (1843--17 September 1902) designed and installed the original raising mechanism of the Tower Bridge while working for Sir W. G. Armstrong Mitchell & Company of Newcastle upon Tyne. 
Question : On what date did Hamilton Owen Rendel die?

A:
date of death
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