Question: The Royal Saudi Air Force Museum or "Saqr Al-Jazira" is located on the East Ring Road of Riyadh between exits 10 and 11, a Saudia Lockheed L-1011 Tristar serves as a gateguard visible from the ring road, the Saudia, is also known as Saudi Arabian Airlines, is the national carrier airline of which country?
Sentence (from "A4540 road"): It is now simply known as the Ring Road due to the removal of the old Inner Ring Road.
Relevant evidence: No