How many field goals between 15 and 50 yards were made?
return field goals ;return yards of #1 ;return #1 where #2 is at least 15 ;return #1 where #2 is at most 50 ;return #1 in  both #3 and  #4 ;return number of  #5
['select', 'project', 'comparative', 'comparative', 'intersection', 'aggregate']