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_71970 ( "Call sign" text, "Frequency" text, "City of license" text, "Facility ID" real, "ERP / Power W" real, "Height m ( ft )" text, "Class" text )

### Question ###
Name the city of license with frequency of 90.1 fm

### Accurate SQL ###

SELECT "City of license" FROM table_71970 WHERE "Frequency" = '90.1 fm'