Database: flight_2
Question: How many flights depart from City 'Aberdeen' and have destination City 'Ashley'?
SQL: select count(*) from flights as t1 join airports as t2 on t1.destairport  =  t2.airportcode join airports as t3 on t1.sourceairport  =  t3.airportcode where t2.city  =  "ashley" and t3.city  =  "aberdeen"