What-all is the average number of ties for years with more than 19 win?
Year Matches Wins Losses No Result Tied Success Rate
Chennai Super Kings
15829930
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2-15829930-5
Overall results in IPL
Performance summary in Indian Premier League
2008 16 9 7 0 0 56.25%
2009 15 8 6 1 0 53.33%
2010 16 9 7 0 0 56.25%
2011 16 11 5 0 0 68.75%
2012 19 19 11 8 0 52.63%
2013 18 12 6 0 0 66.67%
Total 99 59 39 1 0 60.2%
SELECT AVG Tied FROM table WHERE Wins > 19
19