How many more percent of the population married than single and widowed or divorced combined?
return the  population ;return #1 that was  married ;return #1 that was  single and  widowed ;return #1 that was  divorced ;return percent of #2 ;return percent of #3 ;return percent of #4 ;return sum of #6 and  #7 ;return the  difference of #5 and  #8
['select', 'filter', 'filter', 'filter', 'project', 'project', 'project', 'arithmetic', 'arithmetic']