Does the sentence "The Heian period was preceded by the Nara period and began in 794 A.D after the movement of the capital of Japan to Heian-kyo (present day Kyoto), by the 50th emperor, Emperor Kanmu." provide a valid answer to the question "Heian-kyo is now what present-day city?"

A: yes

Does the sentence "Israel joined a secret alliance with Great Britain and France and overran the Sinai Peninsula but was pressured to withdraw by the United Nations in return for guarantees of Israeli shipping rights in the Red Sea via the Straits of Tiran and the Canal[citation needed]." provide a valid answer to the question "What did the war result in?"

A: no

Does the sentence "I finished them on your little piano, which arrived in the best possible condition in spite of the sea, the bad weather and the Palma customs." provide a valid answer to the question "How many doctors saw Frederic by the 3rd of December?"

A: no

Does the sentence "A new temporary station, Estacion de Valencia-Joaquin Sorolla, has been built on land adjacent to this terminus to accommodate high speed AVE trains to and from Madrid, Barcelona, Seville and Alicante." provide a valid answer to the question "What airport is closest to Valencia?"

A:
no