2390
Four days later , he scored the winning goal in a 2 – 1 away victory to Borussia Dortmund on 23 September .
 Borussia Dortmund
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Borussia Dortmund