What is run time when there were 7.4 million viewers?
CREATE TABLE table_72856 (
    "Episode" text,
    "Broadcast date" text,
    "Run time" text,
    "Viewers (in millions)" text,
    "Archive" text
)
SELECT "Run time" FROM table_72856 WHERE "Viewers (in millions)" = '7.4'
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 run time when there were 7.4 million viewers? ### Input: CREATE TABLE table_72856 (
    "Episode" text,
    "Broadcast date" text,
    "Run time" text,
    "Viewers (in millions)" text,
    "Archive" text
) ### Response: SELECT "Run time" FROM table_72856 WHERE "Viewers (in millions)" = '7.4'