<http://schema.org/caption>
"St. Marks Victor Calvillo screams as he makes his shot put throw during the SPC Track and Field Meet at Fort Worth All Saints High School Friday, April 29, 2011 in Fort Worth."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sportsdaydfw.com/other-sports/stmarks-photos/2010/11/26/st.-mark-s-hs>