What is the scheduled local departure time and the actual departure time of the flight from Philadelphia to Harrisburg with the plane's tail number N627AE on the 13th of August 2018?
scheduled local departure time refers to CRS_DEP_TIME; actual departure time refers to DEP_TIME; from Philadelphia refers to ORIGIN = 'PHL'; to Harrisburg refers to DEST = 'MDT'; tail number refers to TAIL_NUM; TAIL_NUM = 'N627AE'; on the 13th of August 2018 refers to FL_DATE = '2018/8/13';
SELECT CRS_DEP_TIME, DEP_TIME FROM Airlines WHERE ORIGIN = 'PHL' AND DEST = 'MDT' AND TAIL_NUM = 'N627AE' AND FL_DATE = '2018/8/13'
database name:db_id airline
Air Carriers table Air Carriers Cols: Code dtype integer, Description dtype text, 
Airports table Airports Cols: Code dtype text, Description dtype text, 
Airlines table Airlines Cols: flight date dtype text, operator carrier airline id dtype integer, tail number dtype text, operator carrier flight number dtype integer, origin airport id dtype integer, origin airport sequence id dtype integer, origin city market id dtype integer, ORIGIN dtype text, destination airport id dtype integer, destination airport sequence id dtype integer, destination city market id dtype integer, destination dtype text, scheduled local departure time dtype integer, departure time dtype integer, Departure delay dtype integer, departure delay new dtype integer, arrival time dtype integer, arrival delay dtype integer, arrival delay new dtype integer, CANCELLED dtype integer, cancellation code dtype text, scheduled elapsed time dtype integer, actual elapsed time dtype integer, carrier delay dtype integer, weather delay dtype integer, National Aviavtion System delay dtype integer, security delay dtype integer, late aircraft delay dtype integer, 
