<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Stand-Kuehl-Gefrierkombinationen/61899221_Bosch-KGN-36-XL-35-A-NoFrost-Tueren-Edelstahl-Optik.html>