How many seasons did Derek Shephard appear on "Grey's Anatomy"?

More Questions:

What meal-in-a-box is called the San Francisco treat?

In the restaurant world, what does "Blue-plate special" refer to?

In 2005, what product reintroduced its catchphrase "I can't believe I ate the whole thing"?

Which city sees Pip striving to become a gentleman in "Great Expectations"?

Who wrote the book "The Power of Positive Thinking"?

What theorem is used to determine the length of the hypotenuse of a right triangle?

In 2006, what song became the first British single to top the US chArts in almost a decade?

What two Rocky III costars won the final match of the very first WrestleMania?

Fred Astaire's character in "Funny Face" was based on what fashion photographer?

Where was Albert Einstein born?

Who was known as The Maid of Orleans?

What car lost 96 percent of its sales in the four years after the publication of Ralph Nader's "Unsafe at Any Speed"?

Geronimo was a member of what tribe?

What year was the character of Betty Crocker first introduced?

Celine Dion's "My Heart Will Go On" song was featured as the main theme song to which 1990's movie?