CREATE TABLE table_71970 ("Call sign" CLOB, "Frequency" CLOB, "City of license" CLOB, "Facility ID" FLOAT, "ERP / Power W" FLOAT, "Height m  (  ft  ) " CLOB, "Class" CLOB)

Name the city of license with frequency of 90.1 fm
SELECT "City of license" FROM table_71970 WHERE "Frequency" = '90.1 fm'
SELECT "City of license" FROM "table_71970" WHERE "Frequency" = '90.1 fm'