Given the task definition and input, reply with output. In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Sidwell Friends School is a highly selective Quaker school located in Bethesda, Maryland and Washington, D.C., offering pre-kindergarten through secondary school classes. Founded in 1883 by Thomas Sidwell, its motto is ""Eluceat omnibus lux" " (English: Let the light shine out from all ), alluding to the Quaker concept of inner light. All Sidwell Friends students attend Quaker meeting for worship weekly, and middle school students begin every day with five minutes of silence. Question: What year was Sidwell Friends School founded where Roderick H. Cox taught for nearly 40 years? Answer: 1883
Founded in 1883 by Thomas Sidwell, its motto is Eluceat omnibus lux English: Let the light shine out from all , alluding to the Quaker concept of inner light.