204943
The scheme was approved by Prime Minister Margaret Thatcher in April 1988 , and it was estimated that a single draw could have raised up to £ 500,000 for the Health Service .
 Margaret Thatcher
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Margaret Thatcher