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

### Instruction:
What is the average weight of the player with a height of 180 cm and plays the d position?

### Inputs:
table_name: table, columns: ['Position', 'Jersey number', 'Name v t e', 'Height (cm)', 'Weight (kg)', 'Birthplace', '2008-09 team', 'NHL rights, if any']

### Response:
SELECT AVG Weight (kg) FROM table WHERE Height (cm) = 180 AND Position = d