CREATE TABLE table_name_40 (sack INT, player VARCHAR, fumr VARCHAR)

what is the total sack for mike green when fumr is less than 0?
SELECT SUM(sack) FROM table_name_40 WHERE player = "mike green" AND fumr < 0
SELECT SUM("sack") FROM "table_name_40" WHERE "fumr" < 0 AND "mike green" = "player"