Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What was the percentage for Republican: Dino Rossi when Democrat: Christine Gregoire polled at 53.7% and the lead margin was larger than 7?

### Inputs:
table_name: table, columns: ['Source', 'Dates administered', 'Democrat: Christine Gregoire', 'Republican: Dino Rossi', 'Lead Margin']

### Response:
SELECT Republican: Dino Rossi FROM table WHERE Lead Margin > 7 AND Democrat: Christine Gregoire = 53.7%