CREATE TABLE table_14115 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents in the final" TEXT, "Score" TEXT)

Who was the partner on May 16, 2004?
SELECT "Partner" FROM table_14115 WHERE "Date" = 'may 16, 2004'
SELECT "Partner" FROM "table_14115" WHERE "Date" = 'may 16, 2004'