question: Charles Watson ran a company that was similar to which Texas-based rival?
answer: Enron
context: Title: Enron
  Passage: Enron Corporation was an American energy, commodities, and services company based in Houston, Texas.  It was founded in 1985 as the result of a merger between Houston Natural Gas and InterNorth, both relatively small regional companies.  Before its bankruptcy on December 2, 2001, Enron employed approximately 20,000 staff and was one of the world's major electricity, natural gas, communications and pulp and paper companies, with claimed revenues of nearly $101 billion during 2000. " Fortune" named Enron "America's Most Innovative Company" for six consecutive years.
  Title: Elkanah Watson House
  Passage: Elkanah Watson House is a National Historic Landmark located in Port Kent, New York.  The formal stone house overlooks Lake Champlain to the east and was designed by Sheldon & Merritt.  It was constructed under the supervision of Charles Watson as the residence of his father, Elkanah Watson.  It originally occupied a small portion of Watson's 5,000-acre property on the lake, but pieces were later sold off and have been developed for other residences.
  Title: Charles Watson (businessman)
  Passage: Charles "Chuck" Watson is the founder of The Natural Gas Clearinghouse.  Later renamed Dynegy, the firm was a highly diverse energy trading company that was similar to rival Enron in many respects.  Watson attempted to orchestrate a buyout of Enron in late 2001, but withdrew following the restating of Enron's financials.  At one time this was the 11th to the largest corporation on the Fortune 500.
citations: Enron Charles Watson (businessman)