How many yards difference was Romo's first touchdown pass to Dez Bryant compared to Romo's touchdown pass to Jason Witten?
return Romo ;return touchdown passes of #1 ;return #2 to Dez Bryant ;return the  first of #3 ;return #2 to Jason Witten ;return yards of #4 ;return yards of #5 ;return the  difference of #6 and  #7
['select', 'project', 'filter', 'aggregate', 'filter', 'project', 'project', 'arithmetic']