In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Who did stephen curry play for in college?
Davidson

How are point sources of pollution regulated by the cwa?
requires dischargers to obtain a National Pollutant Discharge Elimination System (NPDES) permit

Who is big brother and the holding company?

the band that featured Janis Joplin as their lead singer