What are the assets for company who's headquarters are located in Brazil?
{'header': ['Rank', 'Company', 'Headquarters', 'Industry', 'Sales (billion $)', 'Profits (billion $)', 'Assets (billion $)', 'Market Value (billion $)'], 'page_title': 'Forbes Global 2000', 'section_title': '2012 list', 'caption': '2012 list', 'rows': [['1', 'ExxonMobil', 'USA', 'Oil and gas', '433.5', '41.1', '331.1', '407.4'], ['2', 'JPMorgan Chase', 'USA', 'Banking', '110.8', '19', '2,265.8', '170.1'], ['3', 'General Electric', 'USA', 'Conglomerate', '147.3', '14.2', '717.2', '213.7'], ['4', 'Royal Dutch Shell', 'Netherlands', 'Oil and gas', '470.2', '30.9', '340.5', '227.6'], ['5', 'Industrial and Commercial Bank of China', 'China', 'Banking', '82.6', '25.1', '2,039.1', '237.4'], ['6', 'HSBC', 'UK', 'Banking', '102', '16.2', '2,550', '164.3'], ['7', 'PetroChina', 'China', 'Oil and gas', '310.1', '20.6', '304.7', '294.7'], ['8', 'Berkshire Hathaway', 'USA', 'Conglomerate', '143.7', '10.3', '392.6', '202.2'], ['9', 'Wells Fargo', 'USA', 'Banking', '87.6', '15.9', '1,313.9', '178.7'], ['10', 'Petrobras', 'Brazil', 'Oil and gas', '145.9', '20.1', '319.4', '180'], ['11', 'BP', 'UK', 'Oil and gas', '375.5', '25.7', '292.5', '147.4'], ['12', 'Chevron', 'USA', 'Oil and gas', '236.3', '26.9', '209.5', '218'], ['13', 'China Construction Bank', 'China', 'Banking', '68.7', '20.5', '1,637.8', '201.9'], ['14', 'Citigroup', 'USA', 'Banking', '102.6', '11.1', '1,873.9', '107.5'], ['15', 'Gazprom', 'Russia', 'Oil and gas', '117.6', '31.7', '302.6', '159.8'], ['16', 'Walmart', 'USA', 'Retailing', '447', '15.7', '193.4', '208.4'], ['17', 'Volkswagen Group', 'Germany', 'Automotive', '221.9', '21.5', '328.7', '79.5'], ['18', 'Total', 'France', 'Oil and gas', '216.2', '15.9', '213', '132.4'], ['19', 'Agricultural Bank of China', 'China', 'Banking', '62.4', '14.4', '1,563.9', '154.8']]}