How many times has Jan Ullrich placed second in Tour de France?

Explanation

Jan Ullrich (born 1973) is a German former professional cyclist. He has won the Tour de France once (in 1997) and placed second five times (1996, 1998, 2000, 2001 and 2003). In 2006 he wa excluded from Tour de France and fired from his team T-Mobile due to suspicions of blood doping. He stopped his career in 2007.