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_name_53 (_percentage_of_popular_vote VARCHAR, _number_of_seats_available VARCHAR)
### Question:
What is the percentage of the popular vote when there were 90 seats available?
### Answer:
SELECT _percentage_of_popular_vote FROM table_name_53 WHERE _number_of_seats_available = 90