user: Question: What's the lowest rank of a player who played in 2012?
Columns: ['Player', 'Rank', 'Event', 'Surface', 'Score']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['2009', 2009.0, '2009', '2009', '2009']
SQL:

assistant: SELECT MIN("Rank") FROM "Table" WHERE "Event" = '2012';