<http://schema.org/caption>
"Following is a list of the 15 deadliest tornado years in U.S. History, according to the National Oceanic and Atmospheric Administration."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wgal.com/article/15-deadliest-tornado-years-in-u-s-history/6148912>