Question: What dynasty was founded by one of the prominent rulers of Afghanistan during the First Anglo-Afghan War, who had a  dispute with former emir Shah Shujah hom they installed upon conquering Kabul in August 1839?
{'answer': 'Barakzai dynasty', 'supporting_facts': [['First Anglo-Afghan War', 2], ['Dost Mohammad Khan (Emir of Afghanistan)', 0]]}