CREATE TABLE table_name_69 (kb_s VARCHAR, avg_transfer_rate_ INT, device VARCHAR)

What is the smallest transfer rate for a 3243 device?
SELECT MIN(avg_transfer_rate_) AS "kb_s" FROM table_name_69 WHERE device = 3243
SELECT MIN("avg_transfer_rate_") AS "kb_s" FROM "table_name_69" WHERE "device" = 3243