user: Question: Which 2009 had a 2011 of SF?
Columns: ['Tournament', '2008', '2009', '2010', '2011', '2012', '2013', 'Win %']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments']
SQL:

assistant: SELECT "2009" FROM "Table" WHERE "2011" = 'SF';