<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wn.de/Muensterland/Kreis-Steinfurt/Westerkappeln/2251709-Theaterpremiere-in-den-Ratsstuben-Vermasseltes-Rendezvous-in-Wersen>