Name the lowest Gain which has a Long of 0, and a GP-GS of 4–0, and a Loss smaller than 3?
CREATE TABLE "rushing" (
  "name" text,
  "gp_gs" text,
  "gain" real,
  "loss" real,
  "long" real,
  "avg_g" real
);
SELECT MIN("gain") FROM "rushing" WHERE "long"=0 AND "gp_gs"='4–0' AND "loss"<3;