Task: Question Generation
Input (English): As of 2008[update], Germany is the fourth largest music market in the world and has exerted a strong influence on Dance and Rock music, and pioneered trance music. Artists such as Herbert Grönemeyer, Scorpions, Rammstein, Nena, Dieter Bohlen, Tokio Hotel and Modern Talking have enjoyed international fame. German musicians and, particularly, the pioneering bands Tangerine Dream and Kraftwerk have also contributed to the development of electronic music. Germany hosts many large rock music festivals annually. The Rock am Ring festival is the largest music festival in Germany, and among the largest in the world. German artists also make up a large percentage of Industrial music acts, which is called Neue Deutsche Härte. Germany hosts some of the largest Goth scenes and festivals in the entire world, with events like Wave-Gothic-Treffen and M'era Luna Festival easily attracting up to 30,000 people. Amongst Germany's famous artists there are various Dutch entertainers, such as Johannes Heesters.
Output (English): How many people does M'era Luna Festival attract?