Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_20539826_1 (obama_percentage VARCHAR, mccain_number VARCHAR)
### Question:
What percentage of the votes did Obama get in the county where McCain got 3648 votes?
### Answer:
SELECT obama_percentage FROM table_20539826_1 WHERE mccain_number = 3648