Show the industries shared by companies whose headquarters are "USA" and companies whose headquarters are "China".
SELECT Industry FROM Companies WHERE Headquarters  =  "USA" INTERSECT SELECT Industry FROM Companies WHERE Headquarters  =  "China"
SELECT Industry FROM Companies WHERE Headquarters  =  "USA" INTERSECT SELECT Industry FROM Companies WHERE Headquarters  =  "China"
[{'Industry': 'Banking'}, {'Industry': 'Oil and gas'}]