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_58 (ad_freq VARCHAR, show_name VARCHAR)

### Question ###
What is the ad frequency for the show named Health Matters?

### Accurate SQL ###

SELECT ad_freq FROM table_name_58 WHERE show_name = "health matters"