<prompt> Kujenga SQL query kutoa idadi ya watu wenye umri kati ya 20 na 30 katika miji ya New York na Los Angeles.  <response>: Assuming there is a table named CityData with columns CityName, Age, and Population, the SQL query will be:SELECT CityName, SUMPopulation as TotalPopulationFROM CityDataWHERE CityName IN New York, Los Angeles AND Age BETWEEN 20 AND 30GROUP BY CityName; 