Q: He moved to WWF with his WCW colleagues Chris Benoit, Dean Malenko and Perry Saturn, who formed a group called The Radicalz. Guerrero went on to win the WWF European Championship and WWF Intercontinental Championship before he was released in 2001 due to addiction issues. After being rehired in 2002, he formed Los Guerreros with his nephew Chavo, winning the WWE Tag Team Championship, and established himself on the SmackDown brand. He climbed to main event status and won the WWE Championship, his sole world championship at No Way Out 2004. He lost the title later that year but remained a popular main eventer until his untimely death on November 13, 2005.\n\nAnswer this question: when did eddie guerrero win the wwe championship?
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This is the relevant information: He climbed to main event status and won the WWE Championship, his sole world championship at No Way Out 2004. So the answer is 2004.
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