CREATE TABLE table_42548 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

What is the Opponent in the final with an outcome of winner on 14-may-2007?
SELECT "Opponent in the final" FROM table_42548 WHERE "Outcome" = 'winner' AND "Date" = '14-may-2007'
SELECT "Opponent in the final" FROM "table_42548" WHERE "Date" = '14-may-2007' AND "Outcome" = 'winner'