Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What was the average Jersey number of the player for the Calgary Flames, whose Weight (kg) was greater than 84?

### Inputs:
table_name: table, columns: ['Position', 'Jersey number', 'Name v t e', 'Height (cm)', 'Weight (kg)', 'Birthplace', '1995-96 team']

### Response:
SELECT AVG Jersey number FROM table WHERE 1995-96 team = calgary flames AND Weight (kg) > 84