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

### Instruction:
What is the catalog number of Venus Demilo's A-side?

### Inputs:
table_name: table, columns: ['Year', 'A-side', 'B-side', 'Catalog number', 'Label']

### Response:
SELECT Catalog number FROM table WHERE A-side = venus demilo