what is the least yards when the average is 7 and the long is less than 7?
CREATE TABLE "wide_receivers" (
  "player" text,
  "rec" real,
  "yards" real,
  "avg" real,
  "td_s" real,
  "long" real
);
SELECT MIN("yards") FROM "wide_receivers" WHERE "avg"=7 AND "long"<7;