Claim: Anderson Silva is a former champion of a division weight.
Evidence: Anderson da Silva -LRB- -LSB- ˈɐ̃deʁsõ ˈsiwvɐ -RSB- ; born April 14 , 1975 -RRB- is a Brazilian mixed martial artist and former UFC Middleweight Champion.
The middleweight division in mixed martial arts refers to different weight classes :	mixed martial arts	mixed martial arts
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