Question: What is the city that Victor Estrada was born in officially know as?
Related documents: [0]  [DOC] Matamoros, officially known as Heroica Matamoros, is a city in the northeastern Mexican state of Tamaulipas. [END] 
[1]  [DOC] Victor Manuel Estrada Garibay (born October 28, 1971 in Matamoros, Tamaulipas) is a Mexican taekwondo practitioner and Olympic medalist. He competed at the 2000 Summer Olympics in Sydney where he received a bronze medal in the 80 kg division. He also competed at the 2004 Athens Olympics, finishing in equal fifth position. [END] 
Answer: 
Heroica Matamoros
Heroica Matamoros