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_24781886_2 (production_code INTEGER, viewers VARCHAR)
### Question:
When 6.66 is the amount of viewers what is the lowest production code?
### Answer:
SELECT MIN(production_code) FROM table_24781886_2 WHERE viewers = "6.66"