Did Ashkelon have more residents in 1955 or 1961?
return Ashkelon ;return residents of #1 ;return #2 in  1955 ;return #2 in  1961 ;return number of  #3 ;return number of  #4 ;return which is highest of #5 ,  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']