Question: How many police officers did the gang which was ambushed by Henderson Jordan and his team on May 23, 1934 kill? 
Sentence (from "Henderson Jordan"): Henderson Jordan (October 11, 1896 – June 13, 1958), as sheriff of Bienville Parish in north Louisiana, was one of six law enforcement officers who on May 23, 1934, ambushed the fugitives Bonnie and Clyde in a deadly encounter on Louisiana Highway 154 between Gibsland and Sailes to the south.
Relevant evidence: Yes