Question: The Jordanian jihadist who was also known as the "Shaykh of the slaughterers" was blamed for the deaths of how many during the 2004 Iraq churches attack in 2004?
Sentence (from "Abu Jaber Shaykh"): Abu Jaber is a Sunni Muslim with a Salafist jihadist ideology, which is reflected in the ideology of the group he leads.
Relevant evidence: No