What is the episode name for series number 45?
CREATE TABLE table_31408 (
    "No. for season" real,
    "No. for series" real,
    "Episode" text,
    "Airdate" text,
    "Viewers (in millions)" text
)
SELECT "Episode" FROM table_31408 WHERE "No. for series" = '45'
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: What is the episode name for series number 45? ### Input: CREATE TABLE table_31408 (
    "No. for season" real,
    "No. for series" real,
    "Episode" text,
    "Airdate" text,
    "Viewers (in millions)" text
) ### Response: SELECT "Episode" FROM table_31408 WHERE "No. for series" = '45'