CREATE TABLE table_23016 ("Call sign" TEXT, "Frequency" TEXT, "City of License" TEXT, "Licensee" TEXT, "Format" TEXT)

When portsmouth is the city of license who is the licensee?
SELECT "Licensee" FROM table_23016 WHERE "City of License" = 'Portsmouth'
SELECT "Licensee" FROM "table_23016" WHERE "City of License" = 'Portsmouth'