user: Question: What is the average number of League Goals for palyers with 0 FA Cup Goals?
Columns: ['Name', 'Position', 'League Apps', 'League Goals', 'FA Cup Apps', 'FA Cup Goals', 'League Cup Apps', 'League Cup Goals', 'Total Apps', 'Total Goals']
Types: ['text', 'text', 'text', 'real', 'text', 'real', 'real', 'real', 'text', 'real']
Sample row: ['Terry Austin', 'FW', '3', 0.0, '0', 0.0, 1.0, 0.0, '4', 0.0]
SQL:

assistant: SELECT AVG("League Goals") FROM "Table" WHERE "FA Cup Goals" < 0.0;