which episode was Transmitted on friday if the episode of "515 the adventures of tintin" was transmitted on monday? 
CREATE TABLE table_18173916_8 (friday VARCHAR, monday VARCHAR)
SELECT friday FROM table_18173916_8 WHERE monday = "515 The Adventures of Tintin"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18173916_8 (friday VARCHAR, monday VARCHAR) Question: which episode was Transmitted on friday if the episode of "515 the adventures of tintin" was transmitted on monday?  [/INST] SELECT friday FROM table_18173916_8 WHERE monday = "515 The Adventures of Tintin" </s>