Question: Who committed the deadliest school massacre in United States history in 1927?
Sentence (from "2011 Hackleburg–Phil Campbell, Alabama tornado"): The 2011 Hackleburg–Phil Campbell, Alabama tornado was a violent, long-track EF5 wedge tornado that devastated several towns in northern Alabama, United States, before tearing through the northern suburbs of Huntsville and causing damage in rural portions of southern Tennessee on the afternoon and early evening of April 27, 2011.
Relevant evidence: No