Green Lantern's ring is powerless against objects of what color?

More Questions:

Traditional Scottish Highland Games feature which event where competitors throw a tapered 19 foot and 6 inch long log?

How many stars are on the flag of New Zealand?

Who did Jersey Joe Walcott defeat at age 37 to win the heavyweight title?

Which beverage was promoted during the 1990s by three frogs croaking out its name?

What electronics company used the ad slogan "Just Slightly Ahead of Our Time"?

In which Dickens novel would you find the characters John Jarndyce and Mrs. Jellyby?

What major river runs through Washington D.C.?

What is the capital of Djibouti?

The moons of Uranus are named after characters from the works of what writers?

What affliction of the sight is also known as Daltonism?

Who was the only one of the six main characters on "Friends" to not get married at any time on the show?

What is the name of King Arthur's sidekick in the 1975 movie "Monty Python and the Holy Grail"?

What year was Frank Sinatra born in?

What is the real name of the DC character Deathstroke?

In which Brazilian city was F1 driver Ayrton Senna born?