CREATE TABLE table_204_724 (id DECIMAL, "outcome" TEXT, "no." DECIMAL, "date" TEXT, "tournament" TEXT, "surface" TEXT, "partner" TEXT, "opponents in the final" TEXT, "score in the final" TEXT)

how many winners are there ?
SELECT COUNT(*) FROM table_204_724 WHERE "outcome" = 'winner'
SELECT COUNT(*) FROM "table_204_724" WHERE "outcome" = 'winner'