CREATE TABLE table_35169 ("Round" FLOAT, "Pick" FLOAT, "Player" TEXT, "Position" TEXT, "School/Club Team" TEXT)

What is the pick number for the player playing tackle position, and a round less than 15?
SELECT SUM("Pick") FROM table_35169 WHERE "Position" = 'tackle' AND "Round" < '15'
SELECT SUM("Pick") FROM "table_35169" WHERE "Position" = 'tackle' AND "Round" < '15'