What team has a yamaha constructor with all rounds?
CREATE TABLE table_38938 (
    "Team" text,
    "Constructor" text,
    "Motorcycle" text,
    "Rider" text,
    "Rounds" text
)
SELECT "Team" FROM table_38938 WHERE "Rounds" = 'all' AND "Constructor" = 'yamaha'
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 team has a yamaha constructor with all rounds? ### Input: CREATE TABLE table_38938 (
    "Team" text,
    "Constructor" text,
    "Motorcycle" text,
    "Rider" text,
    "Rounds" text
) ### Response: SELECT "Team" FROM table_38938 WHERE "Rounds" = 'all' AND "Constructor" = 'yamaha'