user: Question: How many receipts does Mike Gravel have?
Columns: ['Candidate', 'Money Raised, 3Q', 'Loans Received, 3Q', 'Money Spent, 3Q', 'Total Receipts', 'Cash On Hand', 'After Debt']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Hillary Clinton', '$27,859,861', '–', '$22,623,680', '$90,935,788', '$50,463,013', '$48,115,527']
SQL:

assistant: SELECT "Total Receipts" FROM "Table" WHERE "Candidate" = 'Mike Gravel';