_:n9b8e75d3a41b43b9badc4f4d93ceed80xb1
<http://schema.org/query-input>
"required name=search_term_string"
<https://videos.chessbase.com/en/video?id=nb%3Acid%3AUUID%3A3e574cf1-95d3-4584-ad49-ce3150dba5c8>