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_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?

### Accurate SQL ###

SELECT _percentage_of_popular_vote FROM table_name_53 WHERE _number_of_seats_available = 90