What is the average week number for games that had 28,800 fans in attendance?
CREATE TABLE table_name_19 (week INTEGER, attendance VARCHAR)
SELECT AVG(week) FROM table_name_19 WHERE attendance = "28,800"
### Context: CREATE TABLE table_name_19 (week INTEGER, attendance VARCHAR) ### Question: What is the average week number for games that had 28,800 fans in attendance? ### Answer: SELECT AVG(week) FROM table_name_19 WHERE attendance = "28,800"