Pick # smaller than 46, and a Round of 5, and a Position of defensive tackle involves which college?
CREATE TABLE "indianapolis_colts_draft_history" (
  "round" real,
  "pick_num" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);
SELECT "college" FROM "indianapolis_colts_draft_history" WHERE "pick_num"<46 AND "round"=5 AND "position"='defensive tackle';