What is the arena capacity of the arena in the town whose head coach is Yuriy Korotkevich?
CREATE TABLE table_19526911_1 (
    arena__capacity_ VARCHAR,
    head_coach VARCHAR
)
SELECT COUNT(arena__capacity_) FROM table_19526911_1 WHERE head_coach = "Yuriy Korotkevich"
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 arena capacity of the arena in the town whose head coach is Yuriy Korotkevich? ### Input: CREATE TABLE table_19526911_1 (
    arena__capacity_ VARCHAR,
    head_coach VARCHAR
) ### Response: SELECT COUNT(arena__capacity_) FROM table_19526911_1 WHERE head_coach = "Yuriy Korotkevich"