CREATE TABLE table_35464 ("Series" CLOB, "Date" CLOB, "Entrants" FLOAT, "Winner" CLOB, "First Prize" CLOB)

Who won on May 2011?
SELECT "Winner" FROM table_35464 WHERE "Date" = 'may 2011'
SELECT "Winner" FROM "table_35464" WHERE "Date" = 'may 2011'