How many different second members were there when John rudhale was first member?
CREATE TABLE table_1255 (
    "Elected" real,
    "Assembled" text,
    "Dissolved" text,
    "First member" text,
    "Second member" text
)
SELECT COUNT("Second member") FROM table_1255 WHERE "First member" = 'John Rudhale'
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: How many different second members were there when John rudhale was first member? ### Input: CREATE TABLE table_1255 (
    "Elected" real,
    "Assembled" text,
    "Dissolved" text,
    "First member" text,
    "Second member" text
) ### Response: SELECT COUNT("Second member") FROM table_1255 WHERE "First member" = 'John Rudhale'