text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_20 (fa_cup_goals INTEGER, league_goals VARCHAR, club VARCHAR)
  ### Question:
  Which FA Cup goals have a League goals of 18, and a Club of sheffield united?
  ### Answer:
  SELECT MAX(fa_cup_goals) FROM table_name_20 WHERE league_goals = "18" AND club = "sheffield united"