user: Question: What is the goal difference for the team from Chorley?
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, 'Macclesfield Town', 42.0, 10.0, 6.0, 80.0, 47.0, '+33', '88']
SQL:

assistant: SELECT "Goal Difference" FROM "Table" WHERE "Team" = 'Chorley';