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: "when was the last time the steelers where in the super bowl?" whose answer is 2008.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Pittsburgh Steelers Super Bowl appearance
Useful Output:

Doc 1: Super Bowl XIII​​ In the 1978 season, he made his first and only All-Pro team, earned the NFL MVP award, and won the Bert Bell Award for NFL
Doc 2: The Steelers have reached the Super Bowl eight times and have a 6-2 record in the big game. They most recently reached the Super Bowl during the
Doc 3: A. The Pittsburgh Steelers have lost only 2 Super Bowls from 8 appearances. They lost in 1995 to the Dallas Cowboys and in 2010 to the Green
Doc 4: These players went on to form a dynasty of unmatched success, winning four Super Bowls (1975, 1976, 1979, and 1980) in six seasons behind a
Doc 5: A look back at the Pittsburgh Steelers' six Super Bowl victories over the years in 60 seconds. #PittsburghSteelers #Steelers #NFL