CREATE TABLE table_69517 ("Club" TEXT, "Played" 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)

What try bonus drew 0 and scored 427 points for?
SELECT "Try bonus" FROM table_69517 WHERE "Drawn" = '0' AND "Points for" = '427'
SELECT "Try bonus" FROM "table_69517" WHERE "Drawn" = '0' AND "Points for" = '427'