TASK DEFINITION: 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.
PROBLEM: 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?

SOLUTION: based on

PROBLEM: Context : In 1935, Duncan Sandys married Diana Churchill, daughter of the future prime minister Winston Churchill. 
Question : What is Duncan Sandys's spouse's name?

SOLUTION: spouse

PROBLEM: Context : ``Freddy Spaghetti'' was the last new episode of Parks and Recreation to air for eight months (until ``Go Big or Go Home'') because, after the season finale aired, NBC announced the show was being moved to an undisclosed midseason premiere date to allow the network's new comedy, Outsourced, to run in the Thursday two-hour comedy schedule block. 
Question : What series is Freddy Spaghetti in?

SOLUTION:
series