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: "In what year did the most successful European Ryder Cup captain ever win the U.S. Open?" whose answer is 1970.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Bernhard Langer U.S. Open
Useful Output:

Doc 1: Mit seinem Sieg bei der US Senior Open bricht Bernhard Langer mit 65 Jahren einen Rekord. Er schlägt dabei namhafte Konkurrenz,
Doc 2: Eleven champions, including two-time winner and defending champion Bernhard Langer, are among the 3,019 entries accepted by the United
Doc 3: Bernhard Langer, 65, won the U.S. Senior Open by two, his 46th PGA Tour Champions victory erasing Hale Irwin's record that had stood since
Doc 4: 2010 gewann er an zwei aufeinanderfolgenden Wochenenden erst die Senior British Open und anschließend die Senior US Open. Langer war 2017 der
Doc 5: Bernhard Langer: Final Masters start is 'bittersweet  Tiger Woods: Perfection at Pebble | U.S. Open Epics | 2000 U.S. Open Documentary.