Question: Under what head coach did the Baltimore-based franchise make it to the playoffs 23 years after their last appearance as the Baltimore Colts?
Sentence (from "1977 Baltimore Colts season"): This season would mark the final season in which the Colts would make the playoffs as a Baltimore-based franchise (the Colts next appearance in the playoffs came 10 years later in 1987, by which time the team moved to Indianapolis).
Relevant evidence: No