SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function flatten (children 1)
     ExpressionList (children 1)
      Function arrayMap (children 1)
       ExpressionList (children 2)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function arrayMap (children 1)
           ExpressionList (children 2)
            Function lambda (children 1)
             ExpressionList (children 2)
              Function tuple (children 1)
               ExpressionList (children 1)
                Identifier y
              Function arrayMap (children 1)
               ExpressionList (children 2)
                Function lambda (children 1)
                 ExpressionList (children 2)
                  Function tuple (children 1)
                   ExpressionList (children 1)
                    Identifier z
                  Function range (children 1)
                   ExpressionList (children 1)
                    Identifier x
                Function range (children 1)
                 ExpressionList (children 1)
                  Identifier x
            Function range (children 1)
             ExpressionList (children 1)
              Identifier x
        Function range (children 1)
         ExpressionList (children 1)
          Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_6
