8798
He joined the club because of the injury to the defender Miguel Riffo and he wears the number 33 shirt , due to the other numbers being in use by many players .
 person: Miguel Riffo
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Miguel Riffo 
Answer:
 person: Miguel Riffo