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

### Instruction:
What won best pc demo when tower power (camelot) won best c64 demo?

### Inputs:
table_name: table, columns: ['Year', 'Amiga demo', 'PC demo', 'C64 demo', 'Amiga intro', 'PC intro']

### Response:
SELECT PC demo FROM table WHERE C64 demo = Tower Power (Camelot)