SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier number (alias n)
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Function in (children 1)
    ExpressionList (children 2)
     Identifier number
     Literal Tuple_(UInt64_8, UInt64_9)
   Literal UInt64_2