<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.srf.ch/?von=15.15.15&bis=15.15.15&query=&inurl=de%252Fdrsmusikwelle%252Fsendungen%252Fschlag-auf-schlager&page=1&datefilter=custom>