If there is a double vanity and a single vanity.
return double vanity ;return single vanity ;return number of  #1 ;return number of  #2 ;return if  #3 is at least one ;return if  #4 is at least one ;return if  both  #5 and #6 are true
['select', 'select', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']