What is the production code for the episode that originally aired on January 8, 1993?
CREATE TABLE table_26546 (
    "No. in series" real,
    "No. in season" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" real
)
SELECT MAX("Production code") FROM table_26546 WHERE "Original air date" = 'January 8, 1993'
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 production code for the episode that originally aired on January 8, 1993? ### Input: CREATE TABLE table_26546 (
    "No. in series" real,
    "No. in season" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" real
) ### Response: SELECT MAX("Production code") FROM table_26546 WHERE "Original air date" = 'January 8, 1993'