CREATE TABLE table_39917 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Points difference" TEXT, "Tries For" TEXT, "Tries Against" TEXT, "Try Bonus" TEXT, "Losing Bonus" TEXT, "Points" TEXT)

What is the Lost with a Try Bonus that is try bonus?
SELECT "Lost" FROM table_39917 WHERE "Try Bonus" = 'try bonus'
SELECT "Lost" FROM "table_39917" WHERE "Try Bonus" = 'try bonus'