CREATE TABLE table_4939 ("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)

How many tries were for the 7 lost?
SELECT "Tries for" FROM table_4939 WHERE "Lost" = '7'
SELECT "Tries for" FROM "table_4939" WHERE "Lost" = '7'