Give a stream of consciousness and then the final answer. Context: On February 7, 1973, the United States Senate voted 77-to-0 to approve Senate Resolution S. Res. 60 and establish a select committee to investigate Watergate, with Sam Ervin named chairman the next day. The hearings held by the Senate committee, in which Dean and other former administration officials testified, were broadcast from May 17 to August 7, 1973. The three major networks of the time agreed to take turns covering the hearings live, each network thus maintaining coverage of the hearings every third day, starting with ABC on May 17 and ending with NBC on August 7. An estimated 85 % of Americans with television sets tuned into at least one portion of the hearings.\n\nQuestion: who was the head of the senate committee that began hearings to investigate the watergate break-in?
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To answer this question, we should know that: On February 7, 1973, the United States Senate voted 77-to-0 to approve Senate Resolution S. Res. 60 and establish a select committee to investigate Watergate, with Sam Ervin named chairman the next day.
So, the final answer is Sam Ervin.
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