How many seasons were there of the TV show "30 Rock"?

More Questions:

What former World Heavyweight Champion boxer was nicknamed "The Brown Bomber"?

What author created the character of Tom Jones?

What was the name of the three-headed god that guarded the gates to Hades?

Turnov, Rusty and Bobo appear in what stage musical?

What was the first part of J.R.R. Tolkien's Lord of the Rings trilogy?

What sea is located between Asia Minor and Greece?

What vitamin is sometimes referred to as the "sunshine vitamin"?

What do you call an animal that eats both plants and animals?

Titan orbits what planet of the solar system?

What musical is set at Rydell High?

What type of pet gets into hot water in "Fatal Attraction"?

On what street do TV's "Desperate Housewives" live?

The ocean liner RMS Carpathia played a role in what historical event?

In which decade was the Three Mile Island nuclear disaster?

What "America's Got Talent" host replaced Nick Cannon?