CDS View for a range- how to create one?

hi all,

I can not create a CDS view like this:

@AbapCatalog.sqlViewName: 'zddl_test2_hana'

@AbapCatalog.compiler.CompareFilter: true

@AccessControl.authorizationCheck: #CHECK

@EndUserText.label: 'test2'

define view Zddl_Test2

(vbeln,vkorg,vkgrp,erdat)

as

select from vbak {

'I' AS sign,

'EQ' AS option,

vbak.vbeln AS low,

' ' AS high

} where augru <> ''

Its says that optıons is a reserved word which it