SELECT headquarters FROM company WHERE main_industry  =  'Banking' INTERSECT SELECT headquarters FROM company WHERE main_industry  =  'Oil and gas'
What are the headquarters that have both a company in the banking and 'oil and gas' industries?
SELECT headquarters FROM company WHERE main_industry = 'Banking ' INTERSECT SELECT headquarters FROM company WHERE main_industry = 'Oil and gas '
select headquarters from company where main_industry = value intersect select headquarters from company where main_industry = value
What are the headquarters that have both a company in the banking and 'oil and gas ' industries ?