Who played the role of Alan in the "The Hangover" movies?

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What color is produced by the complete absorption of light rays?

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What position was first held by John A. McDonald?

Which famous actor voiced characters Lovelace and Ramon in the movie "Happy Feet"?

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What war was known as the "Second War of Independence"?

In 1966, Johnny Cash briefly shared a Nashville apartment with what other country legend?

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Which Canadian city is know as "Steeltown"?