Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_66 (sampling_memory_upgrade_able VARCHAR, sampling_rate VARCHAR)
### Question:
Which Sampling Memory/Upgrade-able has a rate of 16-bit 44.1khz?
### Answer:
SELECT sampling_memory_upgrade_able FROM table_name_66 WHERE sampling_rate = "16-bit 44.1khz"