How many episodes in the series that premieres 5 february 2012
CREATE TABLE table_20315 (
    "Series" text,
    "Episodes" real,
    "Series premiere" text,
    "Series finale" text,
    "Region 1" text,
    "Region 2" text,
    "Region 4" text
)
SELECT "Episodes" FROM table_20315 WHERE "Series premiere" = '5 February 2012'
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: How many episodes in the series that premieres 5 february 2012 ### Input: CREATE TABLE table_20315 (
    "Series" text,
    "Episodes" real,
    "Series premiere" text,
    "Series finale" text,
    "Region 1" text,
    "Region 2" text,
    "Region 4" text
) ### Response: SELECT "Episodes" FROM table_20315 WHERE "Series premiere" = '5 February 2012'