1245
_ How many tickets did the Houston Grand Opera sell after mailing out a promotional brochure featuring photographs of cattle with headlines like ` ` It ' s udderly fantastic entertainment ! ' '
 the Houston Grand Opera
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 the Houston Grand Opera