Table:
text: V/Line N class
Locomotives
Locomotives
Locomotive Name_ Serial_No Entered_service Owner_
N451 City of Portland 85-1219 20 September 1985 V/Line Passenger
N452 Rural City of Wodonga 85-1220 10 October 1985 V/Line Passenger
N453 City of Albury 85-1221 1 November 1985 V/Line Passenger
N454 City of Horsham 85-1222 20 November 1985 V/Line Passenger
N455 City of Swan Hill 85-1223 19 December 1985 V/Line Passenger
N456 City of Colac 85-1224 29 January 1986 V/Line Passenger
N457 City of Mildura 85-1225 27 February 1986 V/Line Passenger
N458 City of Maryborough 85-1226 17 March 1986 V/Line Passenger
N459 City of Echuca 85-1227 15 April 1986 V/Line Passenger

Question: What is the entered service date for the V/Line N Class serial number 85-1222?