149774
Champions Men 's Singles Stan Smith defeated Robert Lutz 7 – 6 ( 7 – 2 ) , 7 – 6 ( 7 – 5 ) , 4 – 6 , 6 – 4 Men 's Doubles Brian Gottfried / Dick Stockton defeated Roy Emerson / Rod Laver 4 – 6 , 6 – 3 , 6 – 4
 Stan Smith, Robert Lutz, Brian Gottfried, Dick Stockton, Roy Emerson, Rod Laver
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stan Smith, Robert Lutz, Brian Gottfried, Dick Stockton, Roy Emerson, Rod Laver