TASK DEFINITION: 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.
PROBLEM: Which religion has Five Pillars (the Shadahad, Salah, Zakah, Sawma and Hajj)?

SOLUTION: islam

PROBLEM: Which tree belongs to the genus Betula?

SOLUTION: birch

PROBLEM: Which is the only team that has never been relegated from the top tier (Premier or old First Division) of English football?

SOLUTION:
wigan athletic f.c.