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 runner ups at most are listed ?
SELECT COUNT(*) FROM table_204_724 WHERE "outcome" = 'runner-up'
SELECT COUNT(*) FROM "table_204_724" WHERE "outcome" = 'runner-up'