What nationality is tennis player Novak Djokovic?

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What city became the first to use neon signs to advertise shops and products back in 1912?

'Dig "em Frog" was the mascot for which Kellogg's breakfast cereal?

What is the cap on the fire hydrant called?

How many strings do most guitars have?

Which European country replaced the Deutsche mark with the Euro?

Which US state capital city lies closest to Philadelphia?

What former Soviet Republic lies just across the Gulf of Finland from Finland?

What is the capital of the Republic of Nauru?

Which planet in our solar system has the highest sustained wind speed?

During what war did hundreds of soldiers spend the winter in Valley Forge?

The color of your tongue is pink only if it's what?

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What was Eddie Money's career before becoming a musician?