<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Tops/Drill-In-Style-Windshield-Channel.aspx?t_c=75&t_s=461&t_pt=3548&t_pn=RUG13308.02>