Original sentence: BBC One Wales has the greatest differentiation in output, having been considered a separate channel by the BBC when founded in the mid-1960s.BBC One has individual continuity and opt-outs for Scotland, Wales and Northern Ireland.In England, the BBC has regional news and current affairs opt-outs for the English regions, although these are generally less than the "National Regions".In Scotland, variations include the soap opera River City and the football programme Sportscene, the inclusion of which causes network programming to be displaced or replaced