[qantas#graph1_on_QF618_1
     [qantas#QF618_1,
          pm#from_place: #Melbourne,
          pm#to_place: #Brisbane,
          pm#departure_time: 11:05,
          pm#arrival_time: 13:05,
          #day_of_the_week: {any pm#workday,the #Saturday}]
](15/11/2000);