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 TV_Channel (country VARCHAR, id VARCHAR); CREATE TABLE cartoon (Channel VARCHAR, written_by VARCHAR)
### Question:
which countries' tv channels are playing some cartoon written by Todd Casey?
### Answer:
SELECT T1.country FROM TV_Channel AS T1 JOIN cartoon AS T2 ON T1.id = T2.Channel WHERE T2.written_by = 'Todd Casey'