What round was john sutro, tackle, drafter with a pick lower than 79?
CREATE TABLE "nfl_draft" (
  "round" real,
  "pick" real,
  "player" text,
  "position" text,
  "school" text
);
SELECT SUM("round") FROM "nfl_draft" WHERE "position"='tackle' AND "player"='john sutro' AND "pick"<79;