What is the total capacity for coach Trevor Gleeson?
CREATE TABLE table_9984 (
    "Team" text,
    "Region" text,
    "Coach" text,
    "Home ground" text,
    "Capacity" real
)
SELECT SUM("Capacity") FROM table_9984 WHERE "Coach" = 'trevor gleeson'
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 total capacity for coach Trevor Gleeson? ### Input: CREATE TABLE table_9984 (
    "Team" text,
    "Region" text,
    "Coach" text,
    "Home ground" text,
    "Capacity" real
) ### Response: SELECT SUM("Capacity") FROM table_9984 WHERE "Coach" = 'trevor gleeson'