Conversation so far:
When did Warren Sapp join the Buccaneers?
Buccaneers in the first round of the 1995 draft.
How long did he play for them?
In 2002, Sapp helped lead a powerful Tampa Bay team to victory in Super Bowl XXXVII over the Oakland Raiders.
How many Super Bowls did he win with Tampa?
CANNOTANSWER.
Was he ever injured while playing?
CANNOTANSWER.
Did you find anything interesting in the article?
reports of multiple failed cocaine and marijuana tests.

Question: How many times did he fail those test?
Self-contained rewrite: How many times did Sapp fail the cocaine and marijuana test?