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_23143607_1 (television_channels VARCHAR, radio_stations VARCHAR)

### Question ###
What is the total number of television channels when one of the radio stations is onda madrid?

### Accurate SQL ###

SELECT COUNT(television_channels) FROM table_23143607_1 WHERE radio_stations = "Onda Madrid"