How many openings were there in the Berlin Wall?

More Questions:

Which US author penned the novels "Of Mice and Men" and "East Of Eden"?

Which great painter's nickname translated literally to "The Greek"?

Which state is nicknamed the "Mount Rushmore State"?

What do you call the feeling of having experienced something before?

What aquatic reptile can hold its breath under water for up to 15 minutes?

What TV Show features the characters Fox Mulder and Dana Skully?

What model car did Thelma and Louise drive?

What color was Tweety Bird originally?

What "Fantasy Island" actor ended up committing suicide?

Who is the lead guitarist in the band "The Who"?

What superhero sidekick is known as Boy Wonder?

What war began with the invasion of Fort Sumter?

What nation was led by Frederick the Great?

What is the name of the first space launch facility?

What year saw the release of the film "Robin Hood: Prince of Thieves"?