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: "Question: How many countries have Singapore Airlines flew been to?" whose answer is 30 countries.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Singapore Airlines countries
Useful Output:

Doc 1: Singapore Airlines (Star Alliance) serves 1 domestic destination and 78 international destinations in 34 countries, as of April 2025. List of
Doc 2: This June, Singapore Airlines serves 33 countries in Africa, wider Asia, Australasia, Europe, the Middle East, and North America. With 111
Doc 3: In this guide, you'll find an exhaustive repository of Singapore Airlines routes that are flown to/from the US.
Doc 4: Destinations. Main article: List of Singapore Airlines destinations. Singapore Airlines flies on five continents from its primary hub in Singapore. After the
Doc 5: Singapore Airlines. Singapore Airlines was founded in 1947 and is Singapore's national airline headquartered in Singapore. With its operational base in