<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-Rodgers-and-Hammersteins-Cinderella-tickets-at-Procter-and-Gamble-Hall---Aronoff-Center-Cincinnati-OH-01-11-2015/472977>