QUESTION: Generate a question with a factual answer?

ANS: When was the Han Dynasty?

QUESTION: Generate a question with a factual answer?

ANS: Where is TF1 located?

QUESTION: Generate a question with a factual answer?

ANS: When did the polish-lithuanian commonwealth thrive?

QUESTION: Generate a question with a factual answer?

ANS:
What are alloys called when the insoluble elements don't separate until after crystallization occurs?