SELECT sum(revenue) FROM manufacturers WHERE Headquarter  =  'Tokyo' OR Headquarter  =  'Taiwan'
Return the total revenue of companies with headquarters in Tokyo or Taiwan.
SELECT sum ( revenue ) FROM manufacturers WHERE Headquarter = 'Tokyo ' OR Headquarter = 'Taiwan '
select sum ( revenue ) from manufacturers where headquarter = value or headquarter = value
Return the total revenue of companies with headquarters in Tokyo or Taiwan .