<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-Brantley-Gilbert-Thomas-Rhett--Eric-Paslay-tickets-at-Sioux-Falls-Arena-Sioux-Falls-SD-05-16-2014/476150>