How many championships did the team or teams established in 1976 win?
CREATE TABLE table_51935 (
    "Club" text,
    "Sport" text,
    "League" text,
    "Venue" text,
    "Established" real,
    "Championships" real
)
SELECT SUM("Championships") FROM table_51935 WHERE "Established" = '1976'
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 championships did the team or teams established in 1976 win? ### Input: CREATE TABLE table_51935 (
    "Club" text,
    "Sport" text,
    "League" text,
    "Venue" text,
    "Established" real,
    "Championships" real
) ### Response: SELECT SUM("Championships") FROM table_51935 WHERE "Established" = '1976'