CREATE TABLE table_7259 ("Tournament" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT, "2012" TEXT, "2013" TEXT)

What is the 2011 when the 2007 is a, and the 2012 is sf?
SELECT "2011" FROM table_7259 WHERE "2007" = 'a' AND "2012" = 'sf'
SELECT "2011" FROM "table_7259" WHERE "2007" = 'a' AND "2012" = 'sf'