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.
who performed during the halftime show at super bowl 54
The Super Bowl 54 halftime show was co-headlined by Jennifer Lopez and Shakira, and included guest appearances by J Balvin, Bad Bunny, and Lopez's daughter Emme Muñiz.

Question: how long does the show usually last
Self-contained rewrite: how long does the super bowl halftime show usually last