391640
Fischer was nickname d The Man with The Hammer for his ferocious penalty corner s. He played 259 international matches for Germany , scored a total number of 154 goals and played club hockey at HTC Uhlenhorst Mülheim in Mülheim an der Ruhr .
 Fischer, Mülheim, Mülheim an der Ruhr
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fischer, Mülheim, Mülheim an der Ruhr