who has played for manchester city and manchester united and liverpool?
return manchester  city ;return manchester  united ;return liverpool ;return who  played for #1 ;return who  played for #2 ;return who  played for #3 ;return who  is in  both  #4 and #5 ;return who  is in  both  #6 and #7
['select', 'select', 'select', 'project', 'project', 'project', 'intersection', 'intersection']