Who is the gagarin cup winner when avangard omsk is the gagarin cup finalist?
CREATE TABLE table_name_17 (
    gagarin_cup_winner VARCHAR,
    gagarin_cup_finalist VARCHAR
)
SELECT gagarin_cup_winner FROM table_name_17 WHERE gagarin_cup_finalist = "avangard omsk"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who is the gagarin cup winner when avangard omsk is the gagarin cup finalist? ### Input: CREATE TABLE table_name_17 (
    gagarin_cup_winner VARCHAR,
    gagarin_cup_finalist VARCHAR
) ### Response: SELECT gagarin_cup_winner FROM table_name_17 WHERE gagarin_cup_finalist = "avangard omsk"