What is the rank of the petroleum company who has a revenue of $481.7 billion?
CREATE TABLE table_name_7 (
    rank INTEGER,
    industry VARCHAR,
    revenue_in_usd VARCHAR
)
SELECT MIN(rank) FROM table_name_7 WHERE industry = "petroleum" AND revenue_in_usd = "$481.7 billion"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the rank of the petroleum company who has a revenue of $481.7 billion? ### Input: CREATE TABLE table_name_7 (
    rank INTEGER,
    industry VARCHAR,
    revenue_in_usd VARCHAR
) ### Response: SELECT MIN(rank) FROM table_name_7 WHERE industry = "petroleum" AND revenue_in_usd = "$481.7 billion"