Under what head coach did the Baltimore-based franchise make it to the playoffs 23 years after their last appearance as the Baltimore Colts?
1977 Baltimore Colts season:  Baltimore would not have a team in the playoffs again until the Baltimore Ravens advanced to Super Bowl XXXV, just over 23 years later. 2000 Baltimore Ravens season: The Baltimore Ravens season was the franchise's 5th season in the National Football League (NFL) and the second under head coach Brian Billick.
i don't know