How many yards, based on the average per completion could Plunkett have gotten if he had completed all his passes?
return Plunkett ;return completions of #1 ;return yards of #2 ;return the  average of #3 ;return passes of #1 ;return number of  #5 ;return the  multiplication of #4 and  #6
['select', 'project', 'project', 'aggregate', 'project', 'aggregate', 'arithmetic']