How many yards were accumulated when the longest defensive touchdown and the two longest field goals are combined?
return defensive touchdowns ;return field goals ;return yards of #1 ;return yards of #2 ;return the  longest of #3 ;return the  two longest of #4 ;return sum of #5 and  #6
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']