Simplify the following text for a Grade 9 native English-speaking person.
Original: WWE Bad Blood ( originally Badd Blood ) was a World Wrestling Entertainment professional wrestling pay-per-view event that was held in 1997 , 2003 , and 2004 .
Simplified: WWE Bad Blood , ( originally called Badd Blood ) was a professional wrestling Pay-Per-View that was produced by WWE that was produced in 1997 , 2003 and 2004 .