What is the Tournament, on the Week of May 5?
CREATE TABLE table_9939 (
    "Tournament" text,
    "Surface" text,
    "Week" text,
    "Winner" text,
    "Finalist" text,
    "Semifinalists" text
)
SELECT "Tournament" FROM table_9939 WHERE "Week" = 'may 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: What is the Tournament, on the Week of May 5? ### Input: CREATE TABLE table_9939 (
    "Tournament" text,
    "Surface" text,
    "Week" text,
    "Winner" text,
    "Finalist" text,
    "Semifinalists" text
) ### Response: SELECT "Tournament" FROM table_9939 WHERE "Week" = 'may 5'