When was the Lagos tournament?
CREATE TABLE table_37633 (
    "Date" text,
    "Tournament" text,
    "Surface" text,
    "Opponent in the final" text,
    "Score" text
)
SELECT "Date" FROM table_37633 WHERE "Tournament" = 'lagos'
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 was the Lagos tournament? ### Input: CREATE TABLE table_37633 (
    "Date" text,
    "Tournament" text,
    "Surface" text,
    "Opponent in the final" text,
    "Score" text
) ### Response: SELECT "Date" FROM table_37633 WHERE "Tournament" = 'lagos'