1517
His first start came in a home league match against Watford on 14 October 2006 .
 organization: Watford
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: Watford 
Answer:
 organization: Watford