Did Romo have more passing touchdown yards in the first half or the second half?
return Romo ;return passing touchdown of #1 ;return #2 in  first half  ;return #2 in  second half  ;return yards of #3 ;return yards of #4 ;return sum of #5 ;return sum of #6 ;return which is highest of #7 ,  #8
['select', 'project', 'filter', 'filter', 'project', 'project', 'aggregate', 'aggregate', 'comparison']