Tell me the episode with an 18-49 rating of 2.0/5
CREATE TABLE table_51459 (
    "Episode" text,
    "Air Date" text,
    "Timeslot" text,
    "Households (Rating/Share)" text,
    "18-49 (Rating/Share)" text,
    "Viewers (m)" real,
    "Weekly Rank (#)" text
)
SELECT "Episode" FROM table_51459 WHERE "18-49 (Rating/Share)" = '2.0/5'
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: Tell me the episode with an 18-49 rating of 2.0/5 ### Input: CREATE TABLE table_51459 (
    "Episode" text,
    "Air Date" text,
    "Timeslot" text,
    "Households (Rating/Share)" text,
    "18-49 (Rating/Share)" text,
    "Viewers (m)" real,
    "Weekly Rank (#)" text
) ### Response: SELECT "Episode" FROM table_51459 WHERE "18-49 (Rating/Share)" = '2.0/5'