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_24212608_1 ( radio_1_presenter VARCHAR, viewers__millions_ VARCHAR )

### Question ###
Who was the radio 1 presenter for the broadcast that had 9.73 million viewers?

### Accurate SQL ###

SELECT radio_1_presenter FROM table_24212608_1 WHERE viewers__millions_ = "9.73"