QUESTION: Generate a question with a factual answer?

ANS: How many terms can a mayor serve?

QUESTION: Generate a question with a factual answer?

ANS: What was the name of Queen's final tour with Freddie Mercury?

QUESTION: Generate a question with a factual answer?

ANS: What countries are testing this?

QUESTION: Generate a question with a factual answer?

ANS:
When was France's 819 line system discontinued?