Crossword puzzle clue "describing a question not meant to be answered"

Describing a question not meant to be answered.

Word before Four, when describing the Beatles, or Five, when describing Van Halen, or Fifteen, when describing a band I just made up with 15 awesome harpists

"I meant what I said, and I said what I meant" author

Question that may be answered "No, you're not responsible"

Describing a bar — describing a car

Question that might be answered "Muy bien, y usted?"

Question that may be answered "And how!"

Question that Mao Zedong answered with a yes?