> ? [some #capacity.volume]

[vin#graph1_on_production
     [a #production,
          pm#place: vin#Chateau_Margaux,
          pm#time: 2003 ,
          pm#object: (the #Bordeaux_wine,
               #volume: 20000 #liter)]
](07/05/2024);

//Search time: 0.00011 s, printing time: 0.0007 s (according to the Unix function gettimeofday())