Table: singaf_football_2008
Columns: match
date
home_away
opponent_team
score

Question: What was the score for a match before 13, and a home game on April 21, 2008?
SQL: SELECT "score" FROM singaf_football_2008 WHERE "match" < 13 AND "home_away" = 'home' AND "date" = 'april 21, 2008'

Question: What home/away game is on February 29, 2008?
SQL: SELECT "home_away" FROM singaf_football_2008 WHERE "date" = 'february 29, 2008'