when did the second drop in the experiment fall ?
CREATE TABLE table_200_47 (
    id number,
    "date" text,
    "event" text,
    "duration\t\n(months)" text,
    "duration\t\t\n(years)" text
)
SELECT "date" FROM table_200_47 WHERE "event" = '2nd drop fell'
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: when did the second drop in the experiment fall ? ### Input: CREATE TABLE table_200_47 (
    id number,
    "date" text,
    "event" text,
    "duration\t\n(months)" text,
    "duration\t\t\n(years)" text
) ### Response: SELECT "date" FROM table_200_47 WHERE "event" = '2nd drop fell'