Please help with these 4 questions. Provide working SQL DML Statements for them. Thank you

Provide working SQL DML statements for the following EXERCISE 8databae schemae and queries AIRPORT(City, Nation, NumTracks) FLIGHT(Flightld, DayOfWeek, DepartureCity, DepartureTime, ArrivalCity, ArrivalTime, PlaneType) PLANE (Type, NumPassengers, CargoSize) The number of international flights departing from Portland on Wednesday 7. The number of international flights departing every week from each US city 8. 9. Canadian cities having at least 2 direct flights to US 10. Cities served by the largest plane (as num. of passengers)