QUESTION: Generate a question with a factual answer?

ANS: What is more common in birds than any other vertebrate class?

QUESTION: Generate a question with a factual answer?

ANS: What else is lucha libre known for?

QUESTION: Generate a question with a factual answer?

ANS: What encoding did early Macs use?

QUESTION: Generate a question with a factual answer?

ANS:
What does STAT stand for?