Who was the incumbent in 1940?
CREATE TABLE table_18372 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
)
SELECT "Incumbent" FROM table_18372 WHERE "First elected" = '1940'
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 was the incumbent in 1940? ### Input: CREATE TABLE table_18372 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
) ### Response: SELECT "Incumbent" FROM table_18372 WHERE "First elected" = '1940'