Who are all runner-ups for No. 2?
CREATE TABLE table_19847 (
    "No." real,
    "Date" text,
    "Tournament" text,
    "Winning score" text,
    "To par" text,
    "Margin of victory" text,
    "Runner-up" text
)
SELECT "Runner-up" FROM table_19847 WHERE "No." = '2'
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: Who are all runner-ups for No. 2? ### Input: CREATE TABLE table_19847 (
    "No." real,
    "Date" text,
    "Tournament" text,
    "Winning score" text,
    "To par" text,
    "Margin of victory" text,
    "Runner-up" text
) ### Response: SELECT "Runner-up" FROM table_19847 WHERE "No." = '2'