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_15539 ( "Call Sign" text, "City of License" text, "Frequency" text, "age Watt" text, "Coverage Area" text, "Founded" text )

### Question ###
Name the city of license which has age Watt of 160 watts

### Accurate SQL ###

SELECT "City of License" FROM table_15539 WHERE "age Watt" = '160 watts'