CREATE TABLE table_77613 ("Call sign" TEXT, "Frequency MHz" TEXT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

Tell me the city of license with frequency of Mhz of 90.3 fm
SELECT "City of license" FROM table_77613 WHERE "Frequency MHz" = '90.3 fm'
SELECT "City of license" FROM "table_77613" WHERE "Frequency MHz" = '90.3 fm'