307486
Later , as part of Strategic Air Command , the 91st was one of SAC 's longest-lasting and most versatile wings .
 organization: Strategic Air Command; organization: 91st
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Strategic Air Command, 91st 
Answer:
 organization: Strategic Air Command; organization: 91st