[qantas#graph1_on_QF912
     [qantas#QF912,
          pm#from_place: #Perth,
          pm#to_place: Oz#Karratha,
          pm#departure_time: 06:00,
          pm#arrival_time: 08:10,
          #day_of_the_week: {any pm#workday,the #Saturday}]
](15/11/2000);