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: "Has Sue Barker or Fabio Fognini been held the highest world ranking in tennis?" whose answer is Susan Barker.
Each document should contain about 30 words, and these documents should contain useful information.

Query: highest world ranking Sue Barker tennis
Useful Output:

Doc 1:  Sue Barker had been the history-makers for British women's tennis. Murray  Winner of three Grand Slams and ranked number one in the world in 1961
Doc 2: She reached a career-high singles ranking of world No. 3. Barker started working for the BBC as a tennis presenter in 1993, and the
Doc 3: As one of the UK's most successful tennis players, Sue Barker CBE is known for reaching a career-high singles ranking of world no. 3, as
Doc 4: She reached a career-high singles ranking of world No. 3. Barker started working for the BBC as a tennis presenter in 1993, and the following year began to
Doc 5: Sue Barker was once ranked number three in the world and defeated the likes of Chris Evert, Martina Navratilova and Virginia Wade.