161554
Origins Coal has been worked in Middleton since the 13th century , from bell pit s , gin pits and later " day level " or adit s. Anne Leigh , heiress to the Middleton Estates , married Ralph Brandling from Felling near Gateshead on the River Tyne .
 Coal, Middleton, Middleton, Gateshead
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Coal, Middleton, Middleton, Gateshead