instruction: can i see ground transportation from LONG BEACH airport to downtown
response: SELECT DISTINCT ground_service.transport_type FROM airport, airport_service, city AS CITY_0, city AS CITY_1, ground_service WHERE airport.airport_code = airport_service.airport_code AND CITY_0.city_code = airport_service.city_code AND CITY_0.city_name = 'LONG BEACH' AND CITY_1.city_name = 'LONG BEACH' AND ground_service.airport_code = airport.airport_code AND ground_service.city_code = CITY_1.city_code