CREATE TABLE table_17821 ("Club" TEXT, "Played" TEXT, "Won" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Tries for" TEXT, "Tries against" TEXT, "Try bonus" TEXT, "Losing bonus" TEXT, "Points" TEXT)

HOW MANY GAMES HAD BONUS POINTS OF 6?
SELECT "Points for" FROM table_17821 WHERE "Try bonus" = '6'
SELECT "Points for" FROM "table_17821" WHERE "Try bonus" = '6'