user: Question: What is the fewest amendments sponsored associated with 150 bills originally cosponsored and over 247 bills cosponsored?
Columns: ['Years covered', 'All bills sponsored', 'All amendments sponsored', 'All bills cosponsored', 'All amendments cosponsored', 'Bills originally cosponsored', 'Amendments originally cosponsored']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['2007–08', 22.0, 16.0, 133.0, 74.0, 101.0, 57.0]
SQL:

assistant: SELECT MIN("All amendments sponsored") FROM "Table" WHERE "Bills originally cosponsored" = 150.0 AND "All bills cosponsored" > 247.0;