What was the latest season with 20 contestants?
CREATE TABLE table_23487 (
    "Season" real,
    "Network" text,
    "Host" text,
    "Contestants" real,
    "Winner" text,
    "Destination" text
)
SELECT MAX("Season") FROM table_23487 WHERE "Contestants" = '20'
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 was the latest season with 20 contestants? ### Input: CREATE TABLE table_23487 (
    "Season" real,
    "Network" text,
    "Host" text,
    "Contestants" real,
    "Winner" text,
    "Destination" text
) ### Response: SELECT MAX("Season") FROM table_23487 WHERE "Contestants" = '20'