20204
In 1967 , he finished his 11-year major league career playing for three teams : The Houston Astros , Detroit Tigers , and the Boston Red Sox .
 Houston Astros, Detroit Tigers, Boston Red Sox
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Houston Astros, Detroit Tigers, Boston Red Sox