Mean Joe Greene helped what team win four Super Bowls?

More Questions:

What company helped the US Army Corps of Engineers develop the "walkie-talkie" in the early 1930’s?

What musical instrument appears on the Guinness beer label?

What is nori, an ingredient used in the making of sushi?

What colour M&Ms did not exist from 1976 to 1987?

What type of animals were Napoleon and Snowball in the George Orwell book "Animal Farm"?

Which Italian dramatist wrote the play "Accidental Death of an Anarchist"?

The novel "The Dogs of War" took its title from which other work?

What is the capital of New Mexico?

In which country would you find the Gruta Canabrava cave?

What does the acronym RPM stand for?

Who sang the theme song of the Bond film "For Your Eyes Only"?

What animal guards the cave of Caerbannog in "Monty Python and the Holy Grail"?

What year was napalm first used?

What is the most densely populated US state?

What country would you have to visit to see the ruins of Troy?