SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier x
    Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
   Function and (children 1)
    ExpressionList (children 2)
     Function in (children 1)
      ExpressionList (children 2)
       Identifier x
       Literal Tuple_(UInt64_1, UInt64_2)
     Function less (children 1)
      ExpressionList (children 2)
       Identifier z
       Literal UInt64_5
