SELECT Citizenship FROM singer WHERE Birth_Year  <  1945 INTERSECT SELECT Citizenship FROM singer WHERE Birth_Year  >  1955
What are the citizenships that are shared by singers with a birth year before 1945 and after 1955?
SELECT Citizenship FROM singer WHERE Birth_Year < 1945 INTERSECT SELECT Citizenship FROM singer WHERE Birth_Year > 1955
select citizenship from singer where birth_year < value intersect select citizenship from singer where birth_year > value
What are the citizenships that are shared by singers with a birth year before 1945 and after 1955 ?