Which episodein season 3 had 175020 for a production code?
CREATE TABLE table_28252 (
    "No." real,
    "#" real,
    "Title" text,
    "Director" text,
    "Writer(s)" text,
    "Original air date" text,
    "Prod. code" real,
    "U.S. viewers (million)" text
)
SELECT "#" FROM table_28252 WHERE "Prod. code" = '175020'
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: Which episodein season 3 had 175020 for a production code? ### Input: CREATE TABLE table_28252 (
    "No." real,
    "#" real,
    "Title" text,
    "Director" text,
    "Writer(s)" text,
    "Original air date" text,
    "Prod. code" real,
    "U.S. viewers (million)" text
) ### Response: SELECT "#" FROM table_28252 WHERE "Prod. code" = '175020'