CREATE TABLE table_name_59 (pick__number NUMBER, college VARCHAR2, overall VARCHAR2)

How many Picks have a College of tennessee, and an Overall smaller than 270?
SELECT SUM(pick__number) FROM table_name_59 WHERE college = "tennessee" AND overall < 270
SELECT SUM("pick__number") FROM "table_name_59" WHERE "college" = "tennessee" AND "overall" < 270