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

### Instruction:
What is the highest Weight for the position of D, and the 1990–1991 Team was the chicago blackhawks?

### Inputs:
table_name: table, columns: ['Position', 'Jersey #', 'Name', 'Height (cm)', 'Weight (kg)', 'Birthdate', 'Birthplace', '1990–1991 Team']

### Response:
SELECT MAX Weight (kg) FROM table WHERE Position = d AND 1990–1991 Team = chicago blackhawks