Conversation so far:
when is the last time minnesota vikings won a superbowl
The Minnesota Vikings played in Super Bowls 4, 8, 9 and 11, but failed to win any of them.
when was the eleventh super bowl
Super Bowl 11 was played on January 9, 1977.
who did the minnesota vikings play against in super bowl 11
Super Bowl 11 was an American football game between the Oakland Raiders and the Minnesota Vikings.
what was the super bowl 11 score
In Super Bowl 11, the Oakland Raiders defeated the Minnesota Vikings by the score of 32 to 14.

Question: who was the vikings' coach
Self-contained rewrite: who was the minnesota vikings' coach during super bowl 11