Instructions: 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.
Input: The nadaswaram, nagaswaram, nadhaswaram or nathaswaram is a double reed wind instrument. It is a traditional classical instrument used in Tamilnadu, Andhra Pradesh, Karnataka, and Kerala. Question: What reed instrument was played by Indian musician S. R. D. Vaidyanathan? Answer: the Nadhaswara
Output:
The nadaswaram, nagaswaram, nadhaswaram or nathaswaram is a double reed wind instrument.