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_17641206_2 (written_by VARCHAR, viewership VARCHAR)
### Question:
How many people wrote the episode that had 6.34 million viewers?
### Answer:
SELECT COUNT(written_by) FROM table_17641206_2 WHERE viewership = "6.34 million"