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_22347090_6 (no_in_series INTEGER, production_code VARCHAR)
### Question:
What episode number in the series had a production code of 3x7554?
### Answer:
SELECT MIN(no_in_series) FROM table_22347090_6 WHERE production_code = "3X7554"