Table: football_season_10
Columns: position
club
played
points
wins
draws
losses
goals_for
goals_against
goal_difference

Question: What is the highest goal difference of the club with more than 34 played?
SQL: SELECT MAX("goal_difference") FROM football_season_10 WHERE "played" > 34

Question: What is the total number of points of the club with a goal difference greater than 17 and more than 34 played?
SQL: SELECT COUNT("points") FROM football_season_10 WHERE "goal_difference" > 17 AND "played" > 34

Question: What is the lowest goal difference of club real betis, who has less than 18 wins?
SQL: SELECT MIN("goal_difference") FROM football_season_10 WHERE "club" = 'real betis' AND "wins" < 18

Question: What is the sum of the points of the club with more than 34 played?
SQL: SELECT SUM("points") FROM football_season_10 WHERE "played" > 34

Question: What is the lowest number played of the club with more than 15 wins and less than 42 goals against?
SQL: SELECT MIN("played") FROM football_season_10 WHERE "wins" > 15 AND "goals_against" < 42

Question: What is the total number of wins of the club with a goal difference less than 21, 4 draws, and less than 21 losses?
SQL: SELECT COUNT("wins") FROM football_season_10 WHERE "goal_difference" < 21 AND "draws" = 4 AND "losses" < 21