which song of his reached number 1 in the us charts ?
CREATE TABLE table_203_830 (
    id number,
    "year" number,
    "song" text,
    "chart positions\nus country" number,
    "chart positions\ncan country" number,
    "album" text
)
SELECT "song" FROM table_203_830 WHERE "chart positions\nus country" = 1
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 song of his reached number 1 in the us charts ? ### Input: CREATE TABLE table_203_830 (
    id number,
    "year" number,
    "song" text,
    "chart positions\nus country" number,
    "chart positions\ncan country" number,
    "album" text
) ### Response: SELECT "song" FROM table_203_830 WHERE "chart positions\nus country" = 1