490
But this documentary only considered those players who played before the Open era of tennis that began in 1968 , with the exception of Rod Laver , who spanned both eras , so that all of the more recent great players are missing .
 person: Rod Laver
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Rod Laver