CREATE TABLE table_39091 ("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)

When the try bonus was 10 what was the losing bonus?
SELECT "Losing bonus" FROM table_39091 WHERE "Try bonus" = '10'
SELECT "Losing bonus" FROM "table_39091" WHERE "Try bonus" = '10'