user: Question: Which highest 'goals against' number had wins of 19 and a 'goals for' number that was bigger than 53?
Columns: ['Position', 'Club', 'Played', 'Points', 'Wins', 'Draws', 'Losses', 'Goals for', 'Goals against', 'Goal Difference']
Types: ['real', 'text', 'real', 'text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Valencia CF', 34.0, '46+12', 19.0, 8.0, 7.0, 53.0, 26.0, 27.0]
SQL:

assistant: SELECT MAX("Goals against") FROM "Table" WHERE "Wins" = 19.0 AND "Goals for" > 53.0;