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

### Instruction:
What date was the participant/recipient  takakazu watanabe?

### Inputs:
table_name: table, columns: ['Film Festival', 'Date of ceremony', 'Category', 'Participants/Recipients', 'Result']

### Response:
SELECT Date of ceremony FROM table WHERE Participants/Recipients = Takakazu Watanabe