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_27714573_1 (us_viewers__millions_ VARCHAR, directed_by VARCHAR)
### Question:
how many millions of north american viewers had the episode whose director was Michael Lembeck? 
### Answer:
SELECT us_viewers__millions_ FROM table_27714573_1 WHERE directed_by = "Michael Lembeck"