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_11900773_6 (theme VARCHAR, design VARCHAR)
### Question:
List all the themes designed by Isabelle Toussaint.
### Answer:
SELECT theme FROM table_11900773_6 WHERE design = "Isabelle Toussaint"