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: "how many countries are taking part in eurovision 2018?" whose answer is forty-two.
Each document should contain about 30 words, and these documents should contain useful information.

Query: number of countries in Eurovision 2018
Useful Output:

Doc 1: OFFICIAL RESULTS | EUROVISION SONG CONTEST 2018 | ALL 43 COUNTRIES Eurovision 2018 Albania: Eugent Bushpepa - Mall Armenia: Sevak Khanagyan
Doc 2: Today, RTP's executive producer, Carla Bugalho, revealed some details about Eurovision 2018. 43 countries will be taking part in Lisbon.
Doc 3: The Semi-Final Allocation Draw for the 2018 Eurovision Song Contest will take place on the 29th of January at 13:00 CET.
Doc 4: The EBU has confirmed that 42 countries* (41 Members and 1 Associate) will take part in the 2018 Eurovision Song Contest in Lisbon hosted by Portuguese Member
Doc 5: Subscribe and to Eurovision https://www.youtube.com/user/eurovision?sub_confirmation=1 ​ Twenty-six countries participated at the Grand