中国围棋协会产生的职业九段棋士

Name the drivers who have won a Formula One World Drivers' Championship.

Can you name the countries with the most heavy metal bands, both in total and per capita?

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.