user: Question: Where were the 2009 and 2011 Grand Slam tournaments?
Columns: ['Tournament', '2008', '2009', '2011', '2012', '2013']
Types: ['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']
SQL:

assistant: SELECT "2011" FROM "Table" WHERE "2009" = 'Grand Slam tournaments';