What date did the episode written by Mitch Watson and directed by Curt Geda originally air in the U.S.?
CREATE TABLE table_28511558_2 (
    original_air_date__us_ VARCHAR,
    directed_by VARCHAR,
    written_by VARCHAR
)
SELECT original_air_date__us_ FROM table_28511558_2 WHERE directed_by = "Curt Geda" AND written_by = "Mitch Watson"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What date did the episode written by Mitch Watson and directed by Curt Geda originally air in the U.S.? ### Input: CREATE TABLE table_28511558_2 (
    original_air_date__us_ VARCHAR,
    directed_by VARCHAR,
    written_by VARCHAR
) ### Response: SELECT original_air_date__us_ FROM table_28511558_2 WHERE directed_by = "Curt Geda" AND written_by = "Mitch Watson"