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 channel (OWNER VARCHAR, rating_in_percent VARCHAR)

### Question ###
What is the owner of the channel that has the highest rating ratio?

### Accurate SQL ###

SELECT OWNER FROM channel ORDER BY rating_in_percent DESC LIMIT 1