user: ### NOW ANSWER:
Question: What is the average when the matches are 11?
Columns: ['Player', 'Matches', 'Overs', 'Wickets', 'Economy Rate', 'Average', 'Strike Rate']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Shane Harwood', '10', '91.1', '24', '4.27', '16.25', '22.7']
SQL:

assistant: SELECT "Average" FROM "Table" WHERE "Matches" = '11';