Yes / no, is the following a verifiable fact?
"John Philip Sousa wrote over 130 marches, earning him the nickname The March King."

Let me think out loud. John Philip Sousa was a famous composer who was well known for writing marches. The answer is yes.

Claim: "Moby found commercial and critical success with his fifth album, Play, which gave an unexpected global hit in 2000."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no

Let me think out loud. The album, Play, remains Moby's highest selling album with 12 million copies sold. The answer is yes.

Is the following a factual statement?
"Hanoi has the second most people in Vietnam."
Options:
- yes
- no

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let me think out loud. Hanoi has a population of over 3 million people. The answer is yes.