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_13403120_1 (prodcode VARCHAR, originalairdate VARCHAR)
### Question:
what is the prod.code of the episode with original air date 01/12/1968?
### Answer:
SELECT COUNT(prodcode) FROM table_13403120_1 WHERE originalairdate = "01/12/1968"