CREATE TABLE table_47110 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Tries for" TEXT, "Tries against" TEXT, "Try bonus" TEXT)

What is the try bonus when there are 492 points?
SELECT "Try bonus" FROM table_47110 WHERE "Points against" = '492'
SELECT "Try bonus" FROM "table_47110" WHERE "Points against" = '492'