What is the highest attendance a result of W 30-7?
CREATE TABLE table_50685 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "TV Time" text,
    "Attendance" real
)
SELECT MAX("Attendance") FROM table_50685 WHERE "Result" = 'w 30-7'
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: What is the highest attendance a result of W 30-7? ### Input: CREATE TABLE table_50685 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "TV Time" text,
    "Attendance" real
) ### Response: SELECT MAX("Attendance") FROM table_50685 WHERE "Result" = 'w 30-7'