How many yards per play were gained on the last Broncos drive?
return the  Broncos ;return drives of #1 ;return the  last of #2 ;return plays of #3 ;return yards of #3 ;return number of  #4 ;return the  division of #5 and  #6
['select', 'project', 'aggregate', 'project', 'project', 'aggregate', 'arithmetic']