What centaur taught many Greek heroes, including Achilles, in wisdom and combat?

Chiron

What sitcom features Al Bundy selling shoes for a living? The Moselle river flows through Germany, France, and which other small European country? Which empire used the extensive network known as the Royal Road for rapid communication? Who is the only coach in NFL history who guided his team to four Super Bowls in six years, winning each time? Who is Mario’s evil counterpart first appearing in Super Mario Land 2?