You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Roman Kapitonenko lost his semifinal bout at the 2008 European Championships to a boxer of what nationality?" whose answer is Bulgarian.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Roman Kapitonenko 2008 European Championships semifinal opponent name nationality
Useful Output:

Doc 1: Roman Kapitanenko is a Ukrainian amateur boxer who won the bronze medal at the European Championships 2008. He benefitted from Vyacheslav Glazkov's decision
Doc 2: KAPITONENKO Roman. ISMAIL-AKHUNOV Khabibulla. DONOVAN Eric Martin  Born in Barry Wales, the 2011 European Champion and World Silver
Doc 3: Kubrat Venkov Pulev (Bulgarian born 4 May 1981) is a Bulgarian professional boxer. He held the European heavyweight title twice between 2012
Doc 4: Roman Kapitonenko (UKR) – Milutin Stankovic (SRB) – 7:0. 3rd day results. 119 pounds / 54 kg (Bantamweight) – 1/8. Eduard Abzalimov (RUS)
Doc 5: Only four years into his young career, 18-year-old Croatian super heavyweight Filip Hrgovic has burst onto the international boxing scene in a