Definition: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Input: The Battle of al-Qadisiyyah (Arabic: ; transliteration, Ma'rakatu al-Qadisiyyah; Persian: transliteration Nabard-e Qadesiyeh; alternative spellings: Qadisiyya, Qadisiyyah, Kadisiya, Ghadesiyeh), fought in 636, is said to be a decisive engagement between the Arab Muslim army and the Sassanid Persian army during the first period of Muslim expansion.
