user: Question: What's the average Week with the Result L 23–3?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 7, 1962', 'at Denver Broncos', 'L 30–21', 28000.0]
SQL:

assistant: SELECT AVG("Week") FROM "Table" WHERE "Result" = 'L 23–3';