Table: football_stats
Columns: player
club
league
play_offs
fa_cup
fa_trophy
total

Question: What is the mean number of play-offs when the league number was bigger than 18, where the player was John Grant and the total number was bigger than 25?
SQL: SELECT AVG("play_offs") FROM football_stats WHERE "league" > 18 AND "player" = 'john grant' AND "total" > 25

Question: Which mean total had Tim Sills as a player?
SQL: SELECT AVG("total") FROM football_stats WHERE "player" = 'tim sills'

Question: Which of the lowest FA Trophys involved the Forest Green Rovers club when the play-offs number was bigger than 0?
SQL: SELECT MIN("fa_trophy") FROM football_stats WHERE "club" = 'forest green rovers' AND "play_offs" > 0

Question: Which of the lowest leagues had Aldershot town as a club when the play-offs number was less than 0?
SQL: SELECT MIN("league") FROM football_stats WHERE "club" = 'aldershot town' AND "play_offs" < 0

Question: What mean total had a league number of 18, Richard Logan as a player, and a play-offs number smaller than 1?
SQL: SELECT AVG("total") FROM football_stats WHERE "league" = 18 AND "player" = 'richard logan' AND "play_offs" < 1