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_51 (week VARCHAR, date VARCHAR, attendance VARCHAR)
### Question:
On what week were there 26,243 in attendance on September 21, 1969?
### Answer:
SELECT COUNT(week) FROM table_name_51 WHERE date = "september 21, 1969" AND attendance < 26 OFFSET 243