Among the flights operated by American Airlines Inc., how many of them were scheduled to land in New York?
American Airlines Inc. refers to Description = 'American Airlines Inc.: AA'; land in New York refers to DEST = 'JFK';
SELECT SUM(CASE WHEN T2.DEST = 'JFK' THEN 1 ELSE 0 END) AS count FROM Airports AS T1 INNER JOIN Airlines AS T2 ON T1.Code = T2.DEST INNER JOIN `Air Carriers` AS T3 ON T2.OP_CARRIER_AIRLINE_ID = T3.Code WHERE T3.Description = 'American Airlines Inc.: AA'