Generate a question with a factual answer.
Generated: What has produced a great deal of controversy?

Generate a question with a factual answer.
Generated: What year did remodeling of Buckingham House begin?

Generate a question with a factual answer.
Generated: When did the Eritrean Liberation Front form?

Generate a question with a factual answer.
Generated: Security for Tito's visit was unusually high to keep Tito away from what individuals?