QUESTION: Generate a question with a factual answer?

ANS: What do female birds have that allow sperm from males to remain viable long after copulation?

QUESTION: Generate a question with a factual answer?

ANS: When did Kexi retire?

QUESTION: Generate a question with a factual answer?

ANS: What is the name of the IBM project that redirected $1 billion each year to increase energy efficiency?

QUESTION: Generate a question with a factual answer?

ANS:
What years was the Mausoleum of Galla Placidia decorated with mosaics?