CREATE TABLE chip_model (RAM_MiB INT, Model_name VARCHAR)
CREATE TABLE phone (chip_model VARCHAR, Company_name VARCHAR)

What is maximum and minimum RAM size of phone produced by company named 'Nokia Corporation'?
SELECT MAX(T1.RAM_MiB), MIN(T1.RAM_MiB) FROM chip_model AS T1 JOIN phone AS T2 ON T1.Model_name = T2.chip_model WHERE T2.Company_name = "Nokia Corporation"
SELECT MAX("T1"."RAM_MiB"), MIN("T1"."RAM_MiB") FROM "chip_model" AS "T1" JOIN "phone" AS "T2" ON "Nokia Corporation" = "T2"."Company_name" AND "T1"."Model_name" = "T2"."chip_model"