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_20726262_4 (no_in_series INTEGER, production_code VARCHAR)
### Question:
what i the maximum number in the series where the production code is 3wab07?
### Answer:
SELECT MAX(no_in_series) FROM table_20726262_4 WHERE production_code = "3WAB07"