Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_48634 ( "Source" text, "Dates administered" text, "Democrat: Christine Gregoire" text, "Republican: Dino Rossi" text, "Lead Margin" real )

### 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?

### Accurate SQL ###

SELECT "Republican: Dino Rossi" FROM table_48634 WHERE "Lead Margin" > '7' AND "Democrat: Christine Gregoire" = '53.7%'