What decade did Marty McFly go back to in "Back to the Future"?

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Who was the last king of Troy killed by Achilles son Pyrrhus?

What did God create on the fourth day?

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Which witch is flattened by a house in The Wizard of Oz?

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Which actress who played Alia Atreides in 1984's "Dune" and went on to star in 1998's "Urban Legend"?