<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Performance-Parts/Catalytic-Converter.aspx?t_c=74&t_s=49&t_pt=3299&t_pn=OAI17601.05>