994
By carefully examining suicide statistics in different police districts , he attempted to demonstrate that Catholic communities have a lower suicide rate than Protestants , something he attributed to social ( as opposed to individual or psychological ) causes .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None