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 tennis player, Andrei Olhovskiy or Hana Mandlíková, won four Grand Slam singles titles?" whose answer is Hana Mandlíková.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Hana Mandlíková Grand Slam singles titles
Useful Output:

Doc 1: Mandlikova is one of six women who have won Grand Slam singles titles on clay, grass, and hard courts, with the others being Hall of Famers
Doc 2: AUSTRALIAN OPEN. Singles. Winner: 1980, 1987 ; FRENCH OPEN. Singles. Winner: 1981. Semi-Finalist: 1980, 1981, 1984, 1986. Doubles. Finalist: 1984 ; WIMBLEDON
Doc 3: Titles · Grand Slams. Hana Mandlikova Women's Singles Overview. Current rankings. Career-high rankings. WTA Singles Ranking (30 April 1984)3. Year-end Ranking.
Doc 4: Won 27 WTA singles titles including 4 Grand-Slams. · Finalist in 26 WTA singles events including 4 Grand-Slams · Won US OPEN 1985 defeating Chris
Doc 5: WTA Tour wrap: Krejcikova claims maiden Roland Garros singles title. THE  Top 10 WTA Players without a Grand Slam title: #4 Wendy Turnbull (Australia).