Which Road team has a Home team of portland, and a Date of may 31?
CREATE TABLE table_49471 (
    "Game" text,
    "Date" text,
    "Home team" text,
    "Result" text,
    "Road team" text
)
SELECT "Road team" FROM table_49471 WHERE "Home team" = 'portland' AND "Date" = 'may 31'
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: Which Road team has a Home team of portland, and a Date of may 31? ### Input: CREATE TABLE table_49471 (
    "Game" text,
    "Date" text,
    "Home team" text,
    "Result" text,
    "Road team" text
) ### Response: SELECT "Road team" FROM table_49471 WHERE "Home team" = 'portland' AND "Date" = 'may 31'