Show the investors shared by entrepreneurs that requested more than 140000 and entrepreneurs that requested less than 120000.
SELECT Investor FROM entrepreneur WHERE Money_Requested  >  140000 INTERSECT SELECT Investor FROM entrepreneur WHERE Money_Requested  <  120000
investors shared by two groups refers to use of INTERSECT; entrepreneurs that requested more than 140000 refers to Money_Requested > 140000; entrepreneurs that requested less than 120000 refers to Money_Requested < 120000;