Conversation so far:
where is the acc championship game being played in 2018
The ACC Championship game was held at Bank of America Stadium in Charlotte, North Carolina.
who won the acc championship game in 2018
The Clemson Tigers emerged victorious at the 14th annual ACC Championship game and became the 2018 champions, beating Pittsburg Panthers 42–10.
how many acc championships have the clemson tigers won
The Clemson Tigers have won 19 ACC Championships.

Question: has the team had undefeated seasons
Self-contained rewrite: have the clemson tigers had undefeated seasons