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: "who scored the first goal in 2010 world cup?" whose answer is South African winger Siphiwe Tshabalala.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first goal 2010 world cup
Useful Output:

Doc 1: First Goal!!! #tshabalalagoal #fifaworldcup2010. FIFA World Cup 2010 - Tshabalala's Historic First Goal. Experience the excitement of the
Doc 2: In the final, Spain, the European champions, beat third-time losing finalists the Netherlands 1–0 after extra time to win their first world title. Spain became
Doc 3: When Siphiwe Tshabalala opened South Africa 2010 with a bang. The latest instalment of Mesmerising Moments looks back at the Bafana Bafana
Doc 4: The opening goal of the 2010 FIFA World Cup, held in South Africa, was scored by Siphiwe Tshabalala. · When ronaldp was asked who os the best
Doc 5: Siphiwe Tshabalala of South Africa scores the first goal of the 2010 FIFA World Cup during a Group A match against Mexico at Soccer City Stadium