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

### Instruction:
With 1990 growth greater than 19,988 and 1970 growth less than 10,522, what is the 1980 average?

### Inputs:
table_name: table, columns: ['City', '1970', '1980', '1990', '2000', '2010 est.']

### Response:
SELECT AVG 1980 FROM table WHERE 1990 > 19,988 AND 1970 < 10,522