Does the sentence "In 712, Arab Muslim general Muhammad bin Qasim conquered most of the Indus region in modern-day Pakistan for the Umayyad Empire, incorporating it as the "As-Sindh" province with its capital at Al-Mansurah, 72 km (45 mi) north of modern Hyderabad in Sindh, Pakistan." provide a valid answer to the question "Where did the Arabs establish as the capital of the newly conquered territory?"
yes