Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_26282750_1 ( date_of_ceremony VARCHAR, participants_recipients VARCHAR )

### Question ###
What date was the participant/recipient takakazu watanabe?

### Accurate SQL ###

SELECT date_of_ceremony FROM table_26282750_1 WHERE participants_recipients = "Takakazu Watanabe"