user: Question: What is 2011, when Tournament is "Year-End Ranking"?
Columns: ['Tournament', '2008', '2009', '2010', '2011', '2012']
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 "Tournament" = 'Year-End Ranking';