user: Question: What is the 2007 value with 1R in 2009 in the US Open?
Columns: ['Tournament', '2005', '2006', '2007', '2008', '2009', '2010', '2011', '2012', '2013']
Types: ['text', 'text', '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', 'Grand Slam Tournaments', 'Grand Slam Tournaments']
SQL:

assistant: SELECT "2007" FROM "Table" WHERE "2009" = '1R' AND "Tournament" = 'US Open';