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

### Instruction:
What is the reference for the romani title da.i.su.ki?

### Inputs:
table_name: table, columns: ['Romaji title', 'Japanese title', 'Release date', 'Reference', 'Oricon']

### Response:
SELECT Reference FROM table WHERE Romaji title = da.i.su.ki