CREATE TABLE table_name_99 (date VARCHAR, company_name VARCHAR, hardware_model VARCHAR)

When did Samsung Electronics Co LTD make the GT-i9100?
SELECT date FROM table_name_99 WHERE company_name = "samsung electronics co ltd" AND hardware_model = "gt-i9100"
SELECT "date" FROM "table_name_99" WHERE "company_name" = "samsung electronics co ltd" AND "gt-i9100" = "hardware_model"