Question:  Q) when was romanias' biggest-selling digital copy released in europe?
Sentence (from "Uniunea Producătorilor de Fonograme din România"): 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.
Relevant evidence: Yes