CREATE TABLE "indianapolis_colts_draft_history" (
  "round" real,
  "pick_num" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);

Question: Name the pick number for bill atessis
SQL: SELECT "pick_num" FROM "indianapolis_colts_draft_history" WHERE "name"='bill atessis';

Question: Name the total number of overall for defensive tackle
SQL: SELECT COUNT("overall") FROM "indianapolis_colts_draft_history" WHERE "position"='defensive tackle';