sentences:  On August 6, 2004, in two closely contested elections in Oaxaca and Tijuana, PRI candidates Ulises Ruiz Ortiz and Jorge Hank Rhon won the races for the governorship and municipal presidency respectively.The PAN had held control of the president's office of the municipality of Tijuana for 15 years.Six out of eight gubernatorial elections held during 2005 were won by the PRI