How many seasons did the TV show "Bonanza" have before going off the air in 1973?

More Questions:

Which month gets its name from the Latin meaning "ten"?

What is the point value of the letter Z in a standard Scrabble game?

Which private eye character did the author Raymond Chandler create?

Which country of Europe is called the land of humane bullfights: where the bulls are not killed?

Which US state is nicknamed the "Bay State"?

Which country is also the world's largest archipelago?

Wallace Carothers invented nylon while working as a scientist for what company?

What is lighter, gasoline or water?

What two chemical elements make up the mineral quartz?

What is the name of the number system using only the symbols 1 and 0?

Which film features the line, "I could have been a contender"?

Where exactly were the "Bee Gees" band members actually born?

What actor was the narrator in the movie "A.I.: Artificial Intelligence"?

What building first appeared on the back of a $20 bill in 1928?

What U.S. state was once an independent republic?