CREATE TABLE phone (Carrier VARCHAR, Memory_in_G INT)

Show the carriers that have both phones with memory smaller than 32 and phones with memory bigger than 64.
SELECT Carrier FROM phone WHERE Memory_in_G < 32 INTERSECT SELECT Carrier FROM phone WHERE Memory_in_G > 64
SELECT "Carrier" FROM "phone" WHERE "Memory_in_G" < 32 INTERSECT SELECT "Carrier" FROM "phone" WHERE "Memory_in_G" > 64