79696
In 1956 the BBC produced a similar television program , this time airing scenes from Michael Benthall 's theatrical production , which opened 11 September 1956 .
 BBC, Michael Benthall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 BBC, Michael Benthall