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_20 (league VARCHAR, attendance_average VARCHAR)
### Question:
Which League showed 7,975 for an average attendance?
### Answer:
SELECT league FROM table_name_20 WHERE attendance_average = "7,975"