Who was the incumbent for the election in 1978?
CREATE TABLE table_29546 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "Elected" real,
    "Status" text,
    "Result" text
)
SELECT "Incumbent" FROM table_29546 WHERE "Elected" = '1978'
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 for the election in 1978? ### Input: CREATE TABLE table_29546 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "Elected" real,
    "Status" text,
    "Result" text
) ### Response: SELECT "Incumbent" FROM table_29546 WHERE "Elected" = '1978'