When peninsula is the electorate what is the reason?
CREATE TABLE table_30838 (
    "By-election" real,
    "Electorate" text,
    "Date" text,
    "Incumbent" text,
    "Reason" text,
    "Winner" text
)
SELECT "Reason" FROM table_30838 WHERE "Electorate" = 'Peninsula'
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: When peninsula is the electorate what is the reason? ### Input: CREATE TABLE table_30838 (
    "By-election" real,
    "Electorate" text,
    "Date" text,
    "Incumbent" text,
    "Reason" text,
    "Winner" text
) ### Response: SELECT "Reason" FROM table_30838 WHERE "Electorate" = 'Peninsula'