The son of the U.S. Representative from Texas between 1985 to 2003, was defeated by a man who was formerly what type of doctor? 
obstetrics and gynecology
Title: Solomon P. Ortiz
Passage: Solomon Porfirio Ortiz (born June 3, 1937) is the former U.S. Representative for Texas 's 27 congressional district , based in Corpus Christi, serving from 1983 until 2011.  He is a member of the Democratic Party.  In 2010, Ortiz was defeated by Republican challenger Blake Farenthold.  Ortiz's son, Solomon Ortiz, Jr., is a former state Representative.
Title: Dick Armey
Passage: Richard Keith Armey ( ; born July 7, 1940) is an American politician.  He was a U.S. Representative from Texas'  (1985–2003) and House Majority Leader (1995–2003).  He was one of the engineers of the "Republican Revolution" of the 1990s, in which Republicans were elected to majorities of both houses of Congress for the first time in four decades.  Armey was one of the chief authors of the Contract with America.  Armey is also an author and former economics professor.  After his retirement from Congress, he has worked as a consultant, advisor, and lobbyist.
Title: Michael C. Burgess
Passage: Michael Clifton Burgess (born December 23, 1950) is a Republican member of the United States House of Representatives representing  's 26 congressional district .  In 2002, he defeated Scott Armey, the son of House Majority Leader and then-U.S. Representative Dick Armey, in a primary runoff election.  Prior to his election, he practiced as a doctor of obstetrics and gynecology.
Dick Armey Michael C. Burgess