SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (alias n1) (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Function numbers (alias n2) (children 1)
       ExpressionList (children 1)
        Literal UInt64_3
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Function numbers (alias n3) (children 1)
       ExpressionList (children 1)
        Literal UInt64_4
     TableJoin
