QUESTION: Generate a question with a factual answer?

ANS: What effect does bronchial thermoplasty have?

QUESTION: Generate a question with a factual answer?

ANS: In what year did glassmaking begin in Asia?

QUESTION: Generate a question with a factual answer?

ANS: What is Catalan a variety of?

QUESTION: Generate a question with a factual answer?

ANS:
What provides the electricity to most light bulbs?