original_query: What reference did Bushido make to Natascha Kampusch in the song "Eine Nummer für sich" in Vendetta – ersguterjunge Sampler Vol. 2 (2006)?
query: What reference did Bushido make to Natascha Kampusch in the song "Eine Nummer für sich" in Vendetta – ersguterjunge Sampler Vol. 2 (2006)?
answer: The provided text states that the reference was criticized as "crude", but it does not give the specific wording of the reference.