Prompt with a required minimum

Note the following:

The user must enter at least a single value.
This resembles the first example on prompting for a country or region Mandatory prompt with no data type specified.

select
	COUNTRY_MULTILINGUAL.COUNTRY_CODE as COUNTRY_CODE,
	COUNTRY_MULTILINGUAL.COUNTRY as COUNTRY,
	COUNTRY_MULTILINGUAL."LANGUAGE" as LANGUAGE1,
	COUNTRY_MULTILINGUAL.CURRENCY_NAME as CURRENCY_NAME 
from 
	gosales.gosales.dbo.COUNTRY_MULTILINGUAL COUNTRY_MULTILINGUAL
where COUNTRY_MULTILINGUAL.COUNTRY IN (#promptmany('CountryName')#)