user: Question: What is the goal difference where the goals against is less than 54, goals for is greater than 51 and points 1 is 63?
Columns: ['Position', 'Team', 'Played', 'Drawn', 'Lost', 'Goals For', 'Goals Against', 'Goal Difference', 'Points 1']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [1.0, 'Fleetwood Town', 36.0, 7.0, 7.0, 85.0, 45.0, '+40', '73']
SQL:

assistant: SELECT "Goal Difference" FROM "Table" WHERE "Goals Against" < 54.0 AND "Goals For" > 51.0 AND "Points 1" = '63';