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 the most nba championships in the nba?" whose answer is Boston Celtics.
Each document should contain about 30 words, and these documents should contain useful information.

Query: teams with the most nba championships
Useful Output:

Doc 1: Hawks championship was won by St Louis hawks. Kings championship was won by Rochester Royals in 1950-51 the same year when league was desegregated.
Doc 2: Take a look at the list of NBA champions. NBA teams with the most championships The Los Angeles Lakers and the Boston Celtics are tied for
Doc 3: The Los Angeles Lakers made zero substitutions in the second half Follow @thrillbasket for more content #nba #basketball.
Doc 4: If you're wondering what 3 NBA teams have the most championships, it's the Lakers (17), Celtics (17), and Golden State Warriors (7).
Doc 5: The NBA teams with the most championships have established themselves as dynasties in the history of professional basketball.