Task: Question Answering
Input (English): Passage: Since the 1980s, Karnataka has emerged as the pan-Indian leader in the field of IT (information technology). In 2007, there were nearly 2,000 firms operating in Karnataka. Many of them, including two of India's biggest software firms, Infosys and Wipro, are also headquartered in the state. Exports from these firms exceeded ₹50,000 crores ($12.5 billion) in 2006–07, accounting for nearly 38% of all IT exports from India. The Nandi Hills area in the outskirts of Devanahalli is the site of the upcoming $22 billion, 50 square kilometre BIAL IT Investment Region, one of the largest infrastructure projects in the history of Karnataka. All this has earned the state capital, Bangalore, the sobriquet Silicon Valley of India.Karnataka also leads the nation in biotechnology. It is home to India's largest biocluster, with 158 of the country's 320 biotechnology firms being based here. The state accounts for 75% of India's floriculture, an upcoming industry which supplies flowers and ornamental plants worldwide.Seven of India's banks, Canara Bank, Syndicate Bank, Corporation Bank, Vijaya Bank, Karnataka Bank, ING Vysya Bank and the State Bank of Mysore originated in this state. The coastal districts of Udupi and Dakshina Kannada have a branch for every 500 persons—the best distribution of banks in India. In March 2002, Karnataka had 4767 branches of different banks with each branch serving 11,000 persons, which is lower than the national average of 16,000.A majority of the silk industry in India is headquartered in Karnataka, much of it in Doddaballapura, and the state government intends to invest ₹70 crore in a "Silk City" at Muddenahalli, near Bangalore International Airport. 
Question: What city has much of the silk industy in India?
Output (English): Doddaballapura.