CREATE TABLE table_name_72 (college VARCHAR, position VARCHAR, pick__number VARCHAR, round VARCHAR)

Pick # smaller than 46, and a Round of 5, and a Position of defensive tackle involves which college?
SELECT college FROM table_name_72 WHERE pick__number < 46 AND round = 5 AND position = "defensive tackle"
SELECT "college" FROM "table_name_72" WHERE "defensive tackle" = "position" AND "pick__number" < 46 AND "round" = 5