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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.

Ira Bernstein (b. Malverne, New York, 1959) is a dancer and teacher in the United States who specializes in traditional American dance forms such as Appalachian-style clogging, flatfoot dancing, tap dance, and step dancing. He is considered an authority on clogging, and the leading figure in this dance style. He calls himself a "percussive step dancer who specializes in Appalachian flatfooting," and also dances Green Grass style Appalachian clogging, English clogging, French-Canadian step dancing, Irish step dancing, and South African gumboot dancing. Question: What is the most important element of step dance, a style performed by Ira Bernstein? Answer: the footwork
Output:
Ira Bernstein b. Malverne, New York, 1959 is a dancer and teacher in the United States who specializes in traditional American dance forms such as Appalachianstyle clogging, flatfoot dancing, tap dance, and step dancing.