SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
   Set
