Q: In this task, you're given passages that contain mentions of a time duration related quesry and we are supposed to write answer to a question that involves event “frequency", which refers to how often an event is likely to be repeated. For example, "taking showers" typically occurs ~5 times a week, "going to saturday market" usually happens every few weeks/months, etc. 
 Note that a lot of the questions could have more than one correct answers. We only need a single most-likely answer. Please try to keep your "answer" as simple as possible. Concise and simple "answer" is preferred over those complex and verbose ones.  
Sentence: The school's sports teams, wearing crimson and royal blue, are called the Kansas Jayhawks. They participate in the NCAA's Division I and in the Big 12 Conference. KU has won thirteen National Championships: five in men's basketball (two Helms Foundation championships and three NCAA championships), three in men's indoor track and field, three in men's outdoor track and field, one in men's cross country and one in women's outdoor track and field. The home course for KU Cross Country is Rim Rock Farm. Their most recent championship came on June 8, 2013 when the KU women's track and field team won the NCAA outdoor in Eugene, Oregon becoming the first University of Kansas women's team to win a national title. 
Question: How many times has the male basketball team from Kansas won a national title?
A:
five