143234
On 23 July 1983 Duran Duran staged an open air benefit concert at Villa Park , Birmingham , England in front of 18,000 people who paid £ 8.50 a ticket to raise money for MENCAP .
 Villa, Birmingham, England, MENCAP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Villa, Birmingham, England, MENCAP