CREATE TABLE table_name_66 (sampling_memory_upgrade_able VARCHAR, sampling_rate VARCHAR)

Which Sampling Memory/Upgrade-able has a rate of 16-bit 44.1khz?
SELECT sampling_memory_upgrade_able FROM table_name_66 WHERE sampling_rate = "16-bit 44.1khz"
SELECT "sampling_memory_upgrade_able" FROM "table_name_66" WHERE "16-bit 44.1khz" = "sampling_rate"