context: Chennai (English: Chennai),, (Tamil: Chennai, Chennai), (Telugu: Chennai) is the capital of the Tamilnadu state of India. It is the fourth largest metropolis in India. The city of Chennai is located on the banks of the Bay of Bengal. The former name of Chennai is Madras. It is the state capital of Tamil Nadu. Until 1953 Andhra was also the capital. Shriramulu gave his life for the state of Andhra Pradesh which was the capital of Madras. Andhra headless stub without a Madras said Sriramulu. The city is located on the south coast of the Coromandel, Bay of Bengal. As per the 2007 census, the city population of Chennai is estimated at 70.6 lakhs [1]. Chennai is the 34th metropolis in the world with a history of 375 years. Chennai ranks third in terms of trade and industry in India. The architecture of the temples in the city is very popular. Chennai is the center of classical music and classical dance. The automobile (auto mobile) industries in India are concentrated in Chennai. The city is also known as the Detroit of Southeast Asia due to its presence in all automotive industries. Outsourcing is also taking place mostly in Chennai. The city is located about 12 km from the east bank of the Bay of Bengal. Located on the beach road, it is called Marina Beach. The city is also known for hosting sports competitions. Popular ATP Tennis tournaments and Chennai Open tennis tournaments are held. [3] [4] Gindi National Wildlife Refuge is located within the city's polymers. Wildlife reserves are not uncommon in the metropolitan polymers. The city of Denver in the US state of Colorado is also located in the city's polymers, compared to Chennai in Denver. Chennai is known as the sister city of Denver.
question: Chennai is the capital of which state?
answers.text: Tamilnadu