instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Which religion has Five Pillars (the Shadahad, Salah, Zakah, Sawma and Hajj)?
answer:
islam


question:
At which university did Joseph Goebbels become a doctor of philosophy?
answer:
heidelberg


question:
Which singer recorded the 1969 hit album Hot Buttered Soul?
answer:

isaac hayes