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_68 (location VARCHAR, copies_per_particle VARCHAR, protein VARCHAR)
### Question:
Which location has a copies per particle of 0 and a protein of nsp3?
### Answer:
SELECT location FROM table_name_68 WHERE copies_per_particle = "0" AND protein = "nsp3"