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He also struck out at least one batter each inning of that game ; this feat has since been duplicated only once , by Bob Gibson in the 1968 World Series opener .
 person: Bob Gibson
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: Bob Gibson