Show all headquarters with both a company in banking industry and a company in Oil and gas.
CREATE TABLE company (
    headquarters VARCHAR,
    main_industry VARCHAR
)
SELECT headquarters FROM company WHERE main_industry = 'Banking' INTERSECT SELECT headquarters FROM company WHERE main_industry = 'Oil and gas'
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: Show all headquarters with both a company in banking industry and a company in Oil and gas. ### Input: CREATE TABLE company (
    headquarters VARCHAR,
    main_industry VARCHAR
) ### Response: SELECT headquarters FROM company WHERE main_industry = 'Banking' INTERSECT SELECT headquarters FROM company WHERE main_industry = 'Oil and gas'