user: Question: What is the goals for when played is larger than 30?
Columns: ['Position', 'Club', 'Played', 'Points', 'Wins', 'Draws', 'Losses', 'Goals for', 'Goals against', 'Goal Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'CD Málaga', 30.0, 44.0, 19.0, 6.0, 5.0, 44.0, 18.0, 26.0]
SQL:

assistant: SELECT "Goals for" FROM "Table" WHERE "Played" > 30.0;