user: Question: What was the percentage for Republican: Dino Rossi when Democrat: Christine Gregoire polled at 53.7% and the lead margin was larger than 7?
Columns: ['Source', 'Dates administered', 'Democrat: Christine Gregoire', 'Republican: Dino Rossi', 'Lead Margin']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Survey USA', 'November 2, 2008', '52%', '46%', 6.0]
SQL:

assistant: SELECT "Republican: Dino Rossi" FROM "Table" WHERE "Lead Margin" > 7.0 AND "Democrat: Christine Gregoire" = '53.7%';