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_34 (date VARCHAR, terrain VARCHAR, stage VARCHAR)
### Question:
Which date has a Terrain of plain stage, and a Stage of 4?
### Answer:
SELECT date FROM table_name_34 WHERE terrain = "plain stage" AND stage = "4"