What is the name of the diner where the 'Seinfeld' characters often eat?

Which 'The Office' character runs a beet farm? Which 'The Office' character is the receptionist who marries Jim? Who created the original British version of 'The Office'? In which city is 'Seinfeld' set? What is Kramer's first name in 'Seinfeld'? Which 'Seinfeld' character is Jerry's nemesis and a mail carrier? Who co-created 'Seinfeld' with Jerry Seinfeld? Who played Elaine Benes in 'Seinfeld'?