CREATE TABLE table_name_29 (league_cup_goals VARCHAR, club VARCHAR, total VARCHAR, fa_cup_goals VARCHAR)

How many League Cup goals correspond to 3 FA Cup Goals and a total over 15 for Chesterfield?
SELECT league_cup_goals FROM table_name_29 WHERE total > 15 AND fa_cup_goals = 3 AND club = "chesterfield"
SELECT "league_cup_goals" FROM "table_name_29" WHERE "chesterfield" = "club" AND "fa_cup_goals" = 3 AND "total" > 15