<http://schema.org/bestRating>
"6"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.holidaycheck.de/hr/bewertungen-hotel-doubletree-by-hilton-resort-wuxi-lingshan/5cd5011c-7b84-388d-b917-76b7b2b6f5a5>