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_name_37 (time VARCHAR, ad_freq VARCHAR, show_name VARCHAR)

### Question ###
What Time has Ad Freq of 15 minutes, and a Show Name of country today?

### Accurate SQL ###

SELECT time FROM table_name_37 WHERE ad_freq = "15 minutes" AND show_name = "country today"