<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Exterior-Parts-Car-Care/Grille-Inserts.aspx?t_c=3&t_s=15&t_pt=3373&t_pn=RUG11306.01>