University of Kansas:

The University of Kansas has had more teams (70) compete in the National Debate Tournament than any other university. Kansas has won the tournament 5 times (1954, 1970, 1976, 1983, and 2009) and had 12 teams make it to the final four. Kansas trails only Northwestern (13), Dartmouth (6), and Harvard (6) for most tournaments won. Kansas also won the 1981–82 Copeland Award.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". How many times has KU been one of the last four teams competing at the National Debate Championships?
12