<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://earthhour.wwf.org.uk/?gclid=CIbb8fXZu5kCFQ0vQgodWE8E6Q&gclid=CIbb8fXZu5kCFQ0vQgodWE8E6Q>