I've thought about setting up a gmail or similar dummy account. I would love to answer emails like that - I think I could come up with a whole bunch of imaginative answers to the questions. But, I'm too afraid to even give out my email in those situations, which would happen by replying.

Full Names: The royal countessa smartterthanyou
City: Sinkhole
State: OfMind
Country: Redland
Zip code: 33666
Sex: trans
Phone: 555-555-8000
AGE: 12
MARITAL STATUS: Betrothed