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_28884858_1 (capacity_percentage VARCHAR, total_attendance VARCHAR)
### Question:
What is the capacity percentage when the total attendance is 509940?
### Answer:
SELECT capacity_percentage FROM table_28884858_1 WHERE total_attendance = 509940