You need to read the given passage and construct a question about the information present in the passage. The question should be answerable from the passage. Most importantly, only those questions are allowed whose answers cannot be determined from a single sentence. Do not generate questions that require only a single sentence to answer. Instead, try to combine two sentences and create a question from that combination. Do not create open-ended questions, i.e., the answers to them cannot be found precisely from the information provided in the passage.

Paragraph- Sent 1: In pre-Islamic Middle Persian (Zoroastrian) literature, Alexander is referred to by the epithet gujastak, meaning "accursed", and is accused of destroying temples and burning the sacred texts of Zoroastrianism.
Sent 2: In Islamic Iran, under the influence of the Alexander Romance (in Persian: skhndrnmh Iskandarnamah), a more positive portrayal of Alexander emerges.
Sent 3: Firdausi's Shahnameh ("The Book of Kings") includes Alexander in a line of legitimate Iranian shahs, a mythical figure who explored the far reaches of the world in search of the Fountain of Youth.
Sent 4: Later Persian writers associate him with philosophy, portraying him at a symposium with figures such as Socrates, Plato and Aristotle, in search of immortality.
Sent 5: The Syriac version of the Alexander Romance portrays him as an ideal Christian world conqueror who prayed to "the one true God".
Sent 6: In Egypt, Alexander was portrayed as the son of Nectanebo II, the last pharaoh before the Persian conquest.
Sent 7: His defeat of Darius was depicted as Egypt's salvation, "proving" Egypt was still ruled by an Egyptian.
Sent 8: The figure of Dhul-Qarnayn (literally "the Two-Horned One") mentioned in the Quran is believed by some scholars to represent Alexander, due to parallels with the Alexander Romance.
Sent 9: In this tradition, he was a heroic figure who built a wall to defend against the nations of Gog and Magog.
Sent 10: He then traveled the known world in search for the Water of Life and Immortality, eventually becoming a prophet.
Sent 11: In Hindi and Urdu, the name "Sikandar", derived from Persian, denotes a rising young talent.
Sent 12: In medieval Europe he was made a member of the Nine Worthies, a group of heroes who encapsulated all the ideal qualities of chivalry.
Who defeated Darius and built a wall to defend against the nations of Gog and Magog?