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: "Which expedition was the man who developed the Chinook dogsled breed part of?" whose answer is Byrd Antarctic Expedition.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Chinook dogsled breed development expedition
Useful Output:

Doc 1: The Chinook is a breed of sled dog, developed in the state of New Hampshire during the early 20th century. The Chinook is New Hampshire's
Doc 2: Chinook's mother, a Greenland husky, was descended from one of the sled dogs on Admiral Robert Peary's 1909 North Pole expedition, offering a
Doc 3: Chinooks accompanied Admiral Richard Byrd's 1929 Antarctic expedition, solidifying the breed's reputation as a strong and reliable working dog.
Doc 4: New Hampshire's state dog has a storied past. The Chinook breed has led dog sledding trips to the top of Mount Washington and to the South Pole.
Doc 5: 奇努克犬是一种20世纪初源于新罕布夏州的罕见雪橇犬种，是该州州犬。 目录. 1 品种描述. 1.1 外观; 1.2 性情. 2 遗传性健康问题; 3 历史. 3.1 Working life. 4 参考文献