Did more people self-identify with a Guyanese or Irish ancestry?
return people ;return #1 that self-identify with Guyanese ancestry ;return #1 that self-identify with Irish ancestry ;return number of  #2 ;return number of  #3 ;return which is highest of #4 ,  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']