On how many different dates did the episode directed by Marcos Siega and written by Scott Buck air for the first time?
CREATE TABLE table_24132083_1 (
    original_air_date VARCHAR,
    directed_by VARCHAR,
    written_by VARCHAR
)
SELECT COUNT(original_air_date) FROM table_24132083_1 WHERE directed_by = "Marcos Siega" AND written_by = "Scott Buck"
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: On how many different dates did the episode directed by Marcos Siega and written by Scott Buck air for the first time? ### Input: CREATE TABLE table_24132083_1 (
    original_air_date VARCHAR,
    directed_by VARCHAR,
    written_by VARCHAR
) ### Response: SELECT COUNT(original_air_date) FROM table_24132083_1 WHERE directed_by = "Marcos Siega" AND written_by = "Scott Buck"