CREATE TABLE table_60758 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score in the final" TEXT)

What is the total outcome for the clay surface on April 21, 1996?
SELECT "Outcome" FROM table_60758 WHERE "Surface" = 'clay' AND "Date" = 'april 21, 1996'
SELECT "Outcome" FROM "table_60758" WHERE "Date" = 'april 21, 1996' AND "Surface" = 'clay'