query: SELECT preferred_foot ,  avg(overall_rating) FROM Player_Attributes GROUP BY preferred_foot
question: What the average rating right-footed player and left-footed player?
query_toks: SELECT preferred_foot , avg ( overall_rating ) FROM Player_Attributes GROUP BY preferred_foot
query_toks_no_value: select preferred_foot , avg ( overall_rating ) from player_attributes group by preferred_foot
question_toks: What the average rating right-footed player and left-footed player?