CREATE TABLE table_1439045_5 (die_size__mm_2___ VARCHAR2, model VARCHAR2)

What is the die size(mm 2) for model sgx531?
SELECT die_size__mm_2___ AS "1" FROM table_1439045_5 WHERE model = "SGX531"
SELECT "die_size__mm_2___" AS "1" FROM "table_1439045_5" WHERE "SGX531" = "model"