Detailed Instructions: In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.
Problem:Context_1 : Yourself or Someone Like You is the debut studio album by American rock band Matchbox 20, released in 1996. The album features a sound similar to traditional rock sound and post-grunge. The album features themes of adolescence, loneliness, psychological abuse, humiliation, depression, anger, and alcoholism. The album sold several million copies in the U.S and was certified Diamond, and it was also certified multi-platinum in Australia, Canada and New Zealand. To date, the album has sold more than 15 million copies worldwide. Context_2 : Roald Dahl ( , ] ; 13 September 1916 – 23 November 1990) was a British novelist, short story writer, poet, screenwriter, and fighter pilot. His books have sold more than 250 million copies worldwide. Context_3 : Uniunea Producătorilor de Fonograme din România (Ro for "Romanian Phonographic Industry" is the Romanian record industry's trade association. It also measure the number of physical and digital sales of records in Romania, compiling a weekly chart entitled Romanian Digital Chart. The Romanian Albums Chart is also updated weekly, but has never been entirely publisher. But with the introduction of iTunes Store Romania it was easier to compile the data. The biggest-selling album in Romania is Michael Jackson's "Thriller" whose sales figure stands at over 200,000 copies (20x Platinum), while the biggest-selling digital release is Adele's "21" with over 10,000 digital copies sold within two years. The biggest-selling physical single in Romania was Madonna's "Vogue" with exceeds of over 60,000 sales. In the digital era Adele' "Someone Like You" sold over 30,000 copies in the digital sphere. Context_4 : Skin and Other Stories is a collection of short stories written by Roald Dahl. It was published in 2000 by Puffin Books, a division of Penguin Putnam Books. Many these stories first appeared in the Dahl book, "Someone Like You", and also includes the story "The Surgeon," originally published in "Playboy" magazine in 1986. Context_5 : The Collected Short Stories of Roald Dahl is a 1991 short story collection for adults by Roald Dahl. The collection, containing tales of macabre malevolence, comprises many of Dahl's stories seen in the television series "Tales of the Unexpected" and previously collected in "Someone Like You" (1953), "Kiss, Kiss" (1960), "Twenty-Nine Kisses from Roald Dahl" (1969), "Ppo poo face" (1974), and "" (1989). Context_6 : Someone Like You is a collection of short stories by Roald Dahl. It was published in 1953 by Alfred Knopf. Context_7 : Roald Dahl's Tales of the Unexpected is a collection of sixteen short stories written by British author Roald Dahl and first published in 1979. All of the stories were earlier published in various magazines, and then in the collections "Someone Like You" and "Kiss Kiss". Context_8 : Schimmen van schoonheid (English ""Shades of beauty"") is a collection of short stories, written by Louis Couperus and published by Van Holkema & Warendorf in 1912. It is not known how many copies were printed for the first edition, but this edition was in any case sold out by 1929. The second edition was published in 1962 by Querido in the so-called Salamander series (number 71). Context_9 : From Unknown Worlds is an anthology of fantasy fiction short stories edited by John W. Campbell, Jr. and illustrated by Edd Cartier, the first of a number of anthologies drawing their contents from the classic magazine "Unknown" of the 1930s-40s. It was first published in magazine format by American company Street & Smith in 1948; the publication was an attempt to determine if there was a market for a revived "Unknown". Street & Smith printed 300,000 copies, against the advice of John Campbell, but although it sold better than the original, too many copies were returned for the publisher to be willing to revive the magazine. The first British edition was issued by Atlas Publishing in 1952; part of the run was issued in a hardcover binding. This edition omitted the story "One Man's Harp.". Context_10 : The cosmological interpretation of quantum mechanics, proposed by Anthony Aguirre and Max Tegmark, is an interpretation of quantum mechanics that applies in the context of eternal cosmological inflation, which arguably predicts an infinite three-dimensional space with infinitely many planets and infinitely many copies of any quantum system. According to this interpretation, the wavefunction for a quantum system describes not some imaginary ensemble of possibilities for what the system might be doing, but rather the actual spatial collection of identical copies of the system that exist in our infinite space. Its collapse can be avoided. Moreover, the quantum uncertainty that you experience simply reflects your inability to self-locate in space, i.e., to know which of your infinitely many copies throughout space is the one having your subjective perceptions. fact_1 : Someone Like You is a collection of short stories by Roald Dahl. fact_2 :  His books have sold more than 250 million copies worldwide. Question: Someone Like You is a collection of stories by a notable author who sold how many copies of his books?
Solution:
250 million