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: "Near what river was German and Canadian professional poker player born?" whose answer is Rhine.
Each document should contain about 30 words, and these documents should contain useful information.

Query: German and Canadian professional poker player birthplace near river
Useful Output:

Doc 1: Greg Mueller (born June 2, 1971) is a German and Canadian professional poker player and former professional ice hockey defenceman.
Doc 2: No, it's not. You are likely not playing as well as you think you are. I know you don't want to hear that and it's hard to accept, but its true.
Doc 3: While he grew up in Germany, Ensan was actually born in Iran, which is a trait he shares with two other main event champions in 1990's Monsour
Doc 4: His executive order forbidding “divisive narratives” eliminated slavery and the confiscation of Native land from our national history, they never happened, just
Doc 5: Well after midnight on the Super High Roller's second day, a German professional named Christoph Vogelsang called a bet for all his chips