What is the region 1 date for series 4
CREATE TABLE table_20314 (
    "Series" text,
    "Episodes" real,
    "Series premiere" text,
    "Series finale" text,
    "Region 1" text,
    "Region 2" text,
    "Region 4" text
)
SELECT "Region 1" FROM table_20314 WHERE "Series" = '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 the region 1 date for series 4 ### Input: CREATE TABLE table_20314 (
    "Series" text,
    "Episodes" real,
    "Series premiere" text,
    "Series finale" text,
    "Region 1" text,
    "Region 2" text,
    "Region 4" text
) ### Response: SELECT "Region 1" FROM table_20314 WHERE "Series" = '4'