user: Question: How much is the lowest Operating Expenditures when Contributions are more than 8245241?
Columns: ['Candidate', 'Contributions', 'Loans Received', 'All Receipts', 'Operating Expenditures', 'All Disbursements']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Hillary Clinton ‡', 107056586.0, 0.0, 118301659.0, 77804197.0, 106000000.0]
SQL:

assistant: SELECT MIN("Operating Expenditures") FROM "Table" WHERE "Contributions" > 8245241.0;