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

### Instruction:
Which 1990-1991 is the average one that has Played of 38, and Points of 40?

### Inputs:
table_name: table, columns: ['Team', 'Average', 'Points', 'Played', '1988-89', '1989-90', '1990-1991']

### Response:
SELECT AVG 1990-1991 FROM table WHERE Played = 38 AND Points = 40