What's the sum of asts for boston college with a rebs over 63?
CREATE TABLE table_55655 (
    "Player" text,
    "Pos." text,
    "From" real,
    "School/Country" text,
    "Rebs" real,
    "Asts" real
)
SELECT SUM("Asts") FROM table_55655 WHERE "School/Country" = 'boston college' AND "Rebs" > '63'
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's the sum of asts for boston college with a rebs over 63? ### Input: CREATE TABLE table_55655 (
    "Player" text,
    "Pos." text,
    "From" real,
    "School/Country" text,
    "Rebs" real,
    "Asts" real
) ### Response: SELECT SUM("Asts") FROM table_55655 WHERE "School/Country" = 'boston college' AND "Rebs" > '63'