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

### Instruction:
Which ZX Spectrum has a C=64 of c64, and a Title of ankh?

### Inputs:
table_name: table, columns: ['Title', 'Genre', 'C=64', 'ZX Spectrum', 'Others', 'Year', 'Format']

### Response:
SELECT ZX Spectrum FROM table WHERE C=64 = c64 AND Title = ankh