CREATE TABLE Airports (AirportCode VARCHAR(255), city VARCHAR(255)); CREATE TABLE Flights (DestAirport VARCHAR(255))
Find the number of flights landing in the city of Aberdeen or Abilene.
    
SQL: SELECT COUNT(*) FROM Flights AS T1 JOIN Airports AS T2 ON T1.DestAirport = T2.AirportCode WHERE T2.city = "Aberdeen" OR T2.city = "Abilene"