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_52 (date VARCHAR, others VARCHAR, psd___pc VARCHAR)
### Question:
When the other is n/a and the psc-pc is 30% what is the date?
### Answer:
SELECT date FROM table_name_52 WHERE others = "n/a" AND psd___pc = "30%"