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

More Questions:

How many wheels are there on the trailer of an "18-wheeler" truck?

What festival was billed as "Three Days of Peace and Music"?

What is the motto of the Three Musketeers?

What is the largest island in the Indian Ocean?

What part of Britain has Cadwalader's red dragon on its flag?

Which island boasts of being Napoleon's birthplace?

The city of New Orleans is on which river?

What country controls the Mediterranean island of Corsica?

Who played the male lead in the 1947 film "The Bishop's Wife"?

Who performed "Bitter Sweet Symphony" with Coldplay at the Live 8 concert?

In what movie does Redfoot flick his cigarette into the face of McManus?

What are Tom and Jerry?

In which country was Robert Maxwell born?

What is the name of the little boy who disappeared in the beginning of the "Stranger Things" Netflix series?

Central African Republic shares its western border with which country?