title: Christopher Hitchens
context: Hitchens died of hospital-acquired pneumonia on 15 December 2011 in the University of Texas MD Anderson Cancer Center, Houston, aged 62.[111] In accordance with his wishes, his body was donated to medical research.[112] Mortality, a collection of seven of Hitchen's Vanity Fair essays about his illness, was published posthumously in September 2012.[113][114]
question: How did Hitchens die?
answers: hospital-acquired pneumonia