What is the number of the leading scorer for keyarena 16,640?
CREATE TABLE table_17344 (
    "#" real,
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Leading scorer" text,
    "Attendance" text,
    "Record" text,
    "Streak" text
)
SELECT COUNT("Leading scorer") FROM table_17344 WHERE "Attendance" = 'KeyArena 16,640'
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 number of the leading scorer for keyarena 16,640? ### Input: CREATE TABLE table_17344 (
    "#" real,
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Leading scorer" text,
    "Attendance" text,
    "Record" text,
    "Streak" text
) ### Response: SELECT COUNT("Leading scorer") FROM table_17344 WHERE "Attendance" = 'KeyArena 16,640'