You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Arnold_Schwarzenegger

Context:
British television personality Anna Richardson settled a libel lawsuit in August 2006 against Schwarzenegger, his top aide, Sean Walsh, and his publicist, Sheryl Main. A joint statement read: "The parties are content to put this matter behind them and are pleased that this legal dispute has now been settled." Richardson claimed they tried to tarnish her reputation by dismissing her allegations that Schwarzenegger touched her breast during a press event for The 6th Day in London. She claimed Walsh and Main libeled her in a Los Angeles Times article when they contended she encouraged his behavior.

Question:
Who sued Schwarzenegger and two of his employees for libel, settling in 2006?

Anna Richardson