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_38 ( poll_source VARCHAR, other VARCHAR )

### Question ###
Which poll source had an other of 15%?

### Accurate SQL ###

SELECT poll_source FROM table_name_38 WHERE other = "15%"