user: Question: How many Assets (billion $) has an Industry of oil and gas, and a Rank of 9, and a Market Value (billion $) larger than 121.7?
Columns: ['Rank', 'Company', 'Headquarters', 'Industry', 'Sales (billion $)', 'Profits (billion $)', 'Assets (billion $)', 'Market Value (billion $)']
Types: ['real', 'text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'General Electric', 'USA', 'Conglomerate', 182.52, 17.41, 797.77, 88.77]
SQL:

assistant: SELECT SUM("Assets (billion $)") FROM "Table" WHERE "Industry" = 'oil and gas' AND "Rank" = 9.0 AND "Market Value (billion $)" > 121.7;