user: Question: What is the average number of caps for Meralomas with positions of Centre?
Columns: ['Player', 'Position', 'Date of Birth (Age)', 'Caps', 'Club/province']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Aaron Carpenter', 'Hooker', '1 September 1983', 12.0, 'Brantford']
SQL:

assistant: SELECT AVG("Caps") FROM "Table" WHERE "Club/province" = 'Meralomas' AND "Position" = 'Centre';