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: "What was is the largest stadium in Argentina that some of the group matches of the 1978 FIFA World Cup were played in?" whose answer is Estadio Antonio Vespucio Liberti.
Each document should contain about 30 words, and these documents should contain useful information.

Query: 1978 FIFA World Cup stadiums
Useful Output:

Doc 1: List of all Argentina World Cup 1978 stadiums. 1978 FIFA World Cup Argentina stadiums. Estadios Mundial Argentina 1978. List of all stadiums
Doc 2: ESMA is situated along Avenida del Libertador ('Liberator's Avenue'), at the heart of the Argentinian capital, and Estadio Monumental—the
Doc 3: The Estadio Monumental in Buenos Aires, Argentina hosted the 1978 FIFA World Cup final. Argentina claimed their first World Cup title
Doc 4: London, England. Mexico and Argentina, along with two other nations, were selected for the bidding process to host the FIFA World Cup.
Doc 5: Six stadiums were built in five cities. This is the last tournament of the World Cup in the round of 16, and the next competition, the Spanish