CREATE TABLE table_15070 ("Tournament" CLOB, "2009" CLOB, "2010" CLOB, "2011" CLOB, "2012" CLOB)

what is the 2011 performance for the US open?
SELECT "2011" FROM table_15070 WHERE "Tournament" = 'us open'
SELECT "2011" FROM "table_15070" WHERE "Tournament" = 'us open'