Table: nba_game_scores
Columns: rank
score
date
player
opponent
minutes
fgm_fga
3pm_3pa
ftm_fta
off_reb
def_reb
assists
steals
blocks
turnovers
fouls
points

Question: What was the average of the Off Reb with steals less than 8 and FTM-FTA of 16-17?
SQL: SELECT AVG("off_reb") FROM nba_game_scores WHERE "ftm_fta" = '16-17' AND "steals" < 8