user: Question: What is the smallest average for the player with 13 matches and fewer than 7 catches?
Columns: ['Player', 'Matches', 'Inns', 'Runs', 'High Score', 'Average', 'Catches', 'Stump']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['H J H Marshall', 11.0, 21.0, 1218.0, 168.0, 60.9, 6.0, 0.0]
SQL:

assistant: SELECT MIN("Average") FROM "Table" WHERE "Matches" = 13.0 AND "Catches" < 7.0;