human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Rank, Company, Headquarters, Industry, Sales (billion $), Profits (billion $), Assets (billion $), Market Value (billion $)
###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?
gpt
SELECT SUM Assets (billion $) FROM table WHERE Industry = oil and gas AND Rank = 9 AND Market Value (billion $) > 121.7