CREATE TABLE table_21846 ("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 were drawn when 13 were lost?
SELECT "Drawn" FROM table_21846 WHERE "Lost" = '13'
SELECT "Drawn" FROM "table_21846" WHERE "Lost" = '13'