QUESTION: Generate a question with a factual answer?

ANS: Polyphonic music included more complex voicing of what?

QUESTION: Generate a question with a factual answer?

ANS: Who is responsible for appointing the Lieutenant Governor of the Union Territory of Delhi?

QUESTION: Generate a question with a factual answer?

ANS: What was the primary problem with early carbon filaments?

QUESTION: Generate a question with a factual answer?

ANS:
What year was the Alaska Railroad built?