91690
Decker 's Chapel is a historic chapel on Earth Road and PA 255 in St. Mary 's , Elk County , Pennsylvania .
 St. Mary 's, Elk County , Pennsylvania
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 St. Mary 's, Elk County , Pennsylvania