What was the average of the Off Reb with steals less than 8 and FTM-FTA of 16-17?
CREATE TABLE "external_links" (
  "rank" real,
  "score" real,
  "date" text,
  "player" text,
  "opponent" text,
  "minutes" real,
  "fgm_fga" text,
  "3_pm_3_pa" text,
  "ftm_fta" text,
  "off_reb" real,
  "def_reb" real,
  "assists" real,
  "steals" real,
  "blocks" real,
  "turnovers" real,
  "fouls" real,
  "points" real
);
SELECT AVG("off_reb") FROM "external_links" WHERE "ftm_fta"='16-17' AND "steals"<8;