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_56 (date_of_issue VARCHAR, theme VARCHAR)
### Question:
When did the Theme of bobsleigh release?
### Answer:
SELECT date_of_issue FROM table_name_56 WHERE theme = "bobsleigh"