Detailed 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.
Q: MaryAnn Eisel (born November 25, 1946) is an American former tennis player. She was the US Open mixed doubles champion in 1968. Question: Are Rod Laver and Mary-Ann Eisel both nationals of the same country ? Answer: no
A:
MaryAnn Eisel born November 25, 1946 is an American former tennis player.