<http://schema.org/query-input>
"required name=userSearchQuery"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.midwayusa.com/product/170902/meprolight-tru-dot-sight-set-s-and-w-3900-4000-novak-front-and-rear-cuts-steel-blue-tritium-green>