Historical clue formulations

• Busing supervisors — 2019-01-04
• Four-seaters, maybe? — 2012-03-09
• Two-seaters, maybe — 2007-04-15
• They show you to your table — 2006-09-04
• Two-seaters or four-seaters, e.g.? — 2006-07-15
• Service aces? — 2000-04-29