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 is from Argentina, Martina Hingis or Gisela Dulko?" whose answer is Gisela Dulko.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Gisela Dulko nationality
Useful Output:

Doc 1: Gisela Dulko and Fernando Gago silent amid split rumours. The 35-year-old played 61 games for Argentina from 2007 to 2017, representing his
Doc 2: Gisela Dulko of Argentina announced on her website Sunday (Nov. 18) that she is retiring from tennis. She leaves after winning four singles and
Doc 3: Country of citizenship. Argentina. Country for sport. Argentina. Residence. Buenos Aires. Occupation. tennis player. Member of sports team.
Doc 4: The Argentine is a Grand Slam doubles champion and a former world No. 1 in tandem play, both with Italy's Flavia Pennetta, pictured here
Doc 5: Gisela Dulko is an Argentinean retired professional tennis player, born on 30th January 1985. She is a Right-handed (two-handed backhand)