Question: Prominent Imam, Shakeel Begg attempted to secure release of a British taxi driver who became what number of Western hostage killed by the Islamic State? 
Sentence (from "Shakeel Begg"): Shakeel Begg has been Imam at the influential Lewisham Islamic centre in London UK since 1998, and has played a prominent role in the UK Muslim community, and has been invited to speak at many Mosques and Islamic events, and been a spokesman for the Muslim community in many events and press releases: including high-profile attempts to secure the release by ISIS of British hostage Alan Henning.
Relevant evidence: Yes