Question: What suicide attack was located inside the Forward Operating Base Chapman? 
Sentence (from "2004 Forward Operating Base Marez bombing"): Fourteen U.S. soldiers, four U.S. citizen Halliburton employees, and four Iraqi soldiers allied with the U.S. military were killed in an attack on a dining hall at the Forward Operating Base next to the main U.S. military airfield at Mosul.
Relevant evidence: No