CREATE TABLE table_41039 ("Round" FLOAT, "Pick #" FLOAT, "Player" TEXT, "Position" TEXT, "College" TEXT)

What is the sum of the round of the player who plays linebacker and has a pick # greater than 251?
SELECT SUM("Round") FROM table_41039 WHERE "Position" = 'linebacker' AND "Pick #" > '251'
SELECT SUM("Round") FROM "table_41039" WHERE "Pick #" > '251' AND "Position" = 'linebacker'