user: Question: Which 2010 featured the US Open?
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 "2010" FROM "Table" WHERE "Tournament" = 'US Open';