Table: isner_stats
Columns: player
rank
event
surface
score

Question: What's the lowest rank of a player who played in 2012?
SQL: SELECT MIN("rank") FROM isner_stats WHERE "event" = '2012'

Question: What player has the rank 2011?
SQL: SELECT "player" FROM isner_stats WHERE "rank" = 2011

Question: What was the score of the match played on hard with a person ranked 10?
SQL: SELECT "score" FROM isner_stats WHERE "surface" = 'hard' AND "rank" = 10