What is the capacity percentage when the total attendance is 509940?
CREATE TABLE table_28884858_1 (capacity_percentage VARCHAR, total_attendance VARCHAR)
SELECT capacity_percentage FROM table_28884858_1 WHERE total_attendance = 509940
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28884858_1 (capacity_percentage VARCHAR, total_attendance VARCHAR) Question: What is the capacity percentage when the total attendance is 509940? [/INST] SELECT capacity_percentage FROM table_28884858_1 WHERE total_attendance = 509940 </s>