Teacher: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.
Teacher: Now, understand the problem? Solve this instance: William II of Holland (February 1227 28 January 1256) was a Count of Holland and Zeeland (123456). He was elected as German anti-king in 1247 and remained king until his death. Question: John, was the Count of Auxonne and Chalon-sur-Saone in his own right, was a French nobleman, in contemporary documents, he was sometimes called "Count of Burgundy", in 1251, by which King? Answer: William II of Holland
Student:
William II of Holland February 1227 28 January 1256 was a Count of Holland and Zeeland 123456.