QUESTION: Generate a question with a factual answer?

ANS: How many days of the year in 1991 was the air pollution a serious health risk?

QUESTION: Generate a question with a factual answer?

ANS: What were the characteristics of state religious observances?

QUESTION: Generate a question with a factual answer?

ANS: What is a major annual sports event in Tuvalu?

QUESTION: Generate a question with a factual answer?

ANS:
In what year did the first communist country open its borders to all foreign visitors?