context: Jail Murder Day was celebrated on November 3rd every year by several political parties including the Awami League. On this day, the four national leaders of the Awami League: former Vice President Syed Nazrul Islam, former Bangladeshi Prime Minister Tajuddin Ahmed, Captain Mansur Ali and former Home Minister Abul Hasanat Mohamed Kamaruzzaman were killed. [2]
question: How many years did Abul Hasnat Mohammad Kamaruzzaman die?