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: "who has won 3 nba championships in a row?" whose answer is Michael Jordan.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Boston Celtics NBA championships
Useful Output:

Doc 1: A group led by American businessman William Chisholm has agreed to buy iconic basketball team Boston Celtics for a record $6.1bn (£4.7bn).
Doc 2: The Boston Celtics are basketball royalty. In the 2024 NBA Finals against the Dallas Mavericks, they won their 18th championship and broke
Doc 3: Boston won 11 titles in 13 seasons during the Bill Russell era, starting in the 1957 Finals and running through Russell's final season in 1969.
Doc 4: After defeating the Dallas Mavericks 4-1, the Boston Celtics were officially crowned the 2023-2024 NBA Champions. Relive the final moments
Doc 5: The Boston Celtics won their record-setting 18th NBA championship by defeating the Dallas Mavericks in five games in the 2024 NBA Finals. The