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_18173916_8 (wednesday VARCHAR, friday VARCHAR)
### Question:
which episode was Transmitted on wednesday if the episode of "307 vs." was transmitted on friday?  
### Answer:
SELECT wednesday FROM table_18173916_8 WHERE friday = "307 VS."