Table schema:
CREATE TABLE phone (chip_model VARCHAR, Company_name VARCHAR); CREATE TABLE chip_model (RAM_MiB INTEGER, Model_name VARCHAR)

Question: What is maximum and minimum RAM size of phone produced by company named "Nokia Corporation"?
SQL: 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"