user: Question: What is the average case burden with a cost per capita of $186, a Crime rate per 1,000 people of 117, and a Residents per officer larger than 736?
Columns: ['Municipality', 'Residents per officer', 'Cost per capita', 'Case burden', 'Crime rate per 1,000 people']
Types: ['text', 'real', 'text', 'real', 'real']
Sample row: ['Abbotsford', 685.0, '$199', 81.0, 118.0]
SQL:

assistant: SELECT AVG("Case burden") FROM "Table" WHERE "Cost per capita" = '$186' AND "Crime rate per 1,000 people" = 117.0 AND "Residents per officer" > 736.0;