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

### Instruction:
What is th US A.C. in 1985 with a US hot 100 of 57?

### Inputs:
table_name: table, columns: ['Year', 'Song', 'Canada Singles', 'US Hot 100', 'US A.C.']

### Response:
SELECT US A.C. FROM table WHERE Year = 1985 AND US Hot 100 = 57