Question: Which dynasty was founded by Dost Mohammad Khan upon conquering Kabul during the Disaster in Afghanistan?
Sentence (from "1842 retreat from Kabul"): At the beginning of the conflict, British forces had defeated the forces of Afghan Emir Dost Mohammad Barakzai and in 1839 occupied Kabul, restoring the former ruler, Shah Shujah Durrani, as emir.
Relevant evidence: No