which episode was Transmitted on wednesday if the episode of "307 vs." was transmitted on friday?  
CREATE TABLE table_18173916_8 (wednesday VARCHAR, friday VARCHAR)
SELECT wednesday FROM table_18173916_8 WHERE friday = "307 VS."
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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?   [/INST] SELECT wednesday FROM table_18173916_8 WHERE friday = "307 VS." </s>