user: Question: What state has a semifinal average of 8.538 (8) ?
Columns: ['State', 'Preliminary Average', 'Interview', 'Swimsuit', 'Evening Gown', 'Semifinal Average']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['New Jersey', '8.510 (7)', '8.626 (5)', '8.712 (6)', '9.165 (3)', '8.834 (3)']
SQL:

assistant: SELECT "State" FROM "Table" WHERE "Semifinal Average" = '8.538 (8)';