What candidates ran in the election when john s. wood was the incumbent?
CREATE TABLE table_18651 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
)
SELECT "Candidates" FROM table_18651 WHERE "Incumbent" = 'John S. Wood'
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 candidates ran in the election when john s. wood was the incumbent? ### Input: CREATE TABLE table_18651 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
) ### Response: SELECT "Candidates" FROM table_18651 WHERE "Incumbent" = 'John S. Wood'