what championship was played just before the us open ?
CREATE TABLE table_204_651 (
    id number,
    "date" text,
    "championship" text,
    "location" text,
    "category" text,
    "surface" text,
    "prev. result" text,
    "prev. points" number,
    "new points" number,
    "outcome" text
)
SELECT "championship" FROM table_204_651 WHERE id = (SELECT id FROM table_204_651 WHERE "championship" = 'us open') - 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: what championship was played just before the us open ? ### Input: CREATE TABLE table_204_651 (
    id number,
    "date" text,
    "championship" text,
    "location" text,
    "category" text,
    "surface" text,
    "prev. result" text,
    "prev. points" number,
    "new points" number,
    "outcome" text
) ### Response: SELECT "championship" FROM table_204_651 WHERE id = (SELECT id FROM table_204_651 WHERE "championship" = 'us open') - 1