How many TDs for the player averaging over 7, and over 39 yards?
CREATE TABLE "running_backs" (
  "player" text,
  "car" real,
  "yards" real,
  "avg" real,
  "td_s" real,
  "long" real
);
SELECT MIN("td_s") FROM "running_backs" WHERE "avg">7 AND "yards">39;