If the region is the Southern district of Texas, what is the citation?
CREATE TABLE table_2733 (
    "Region" text,
    "Citation" text,
    "Court of Appeals" text,
    "Established" real,
    "Judges" real,
    "Meeting places" real,
    "Chief judge" text
)
SELECT "Citation" FROM table_2733 WHERE "Region" = 'Southern District of Texas'
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: If the region is the Southern district of Texas, what is the citation? ### Input: CREATE TABLE table_2733 (
    "Region" text,
    "Citation" text,
    "Court of Appeals" text,
    "Established" real,
    "Judges" real,
    "Meeting places" real,
    "Chief judge" text
) ### Response: SELECT "Citation" FROM table_2733 WHERE "Region" = 'Southern District of Texas'