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_16 (circuit VARCHAR, class VARCHAR, date VARCHAR)
### Question:
What circuit was on June 1 with a class of both?
### Answer:
SELECT circuit FROM table_name_16 WHERE class = "both" AND date = "june 1"