What is the point average for the game that has FGM-FGA of 11-28 and a number smaller than 7?
CREATE TABLE "40_point_games" (
  "number" real,
  "opponent" text,
  "box_score" text,
  "points" real,
  "fgm_fga" text,
  "3_pm_3_pa" text,
  "ftm_fta" text,
  "assists" real,
  "rebounds" real,
  "steals" real,
  "blocks" real
);
SELECT AVG("points") FROM "40_point_games" WHERE "fgm_fga"='11-28' AND "number"<7;