Conversation so far:
when was the last time the san francisco 49ers went to the superbowl
Super Bowl LIV was the San Francisco 49ers' seventh Super Bowl appearance, and their first since Super Bowl XLVII in 2013.
who won super bowl 54
At Super Bowl 54, the Kansas City Chiefs defeated the San Francisco 49ers 31 to 20.

Question: who performed during the halftime show
Self-contained rewrite: who performed during the halftime show at super bowl 54