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.

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?
based on

Context : Interbrasil STAR S/A was a Brazilian airline founded in 1994 as a feeder airline to Transbrasil. 
Question : What is Interbrasil STAR's parent company?
parent company

Context : Elections to the European Parliament were held in Belgium on June 10, 1979. 
Question : The date of Elections to the European Parliament was what?

point in time