How many RolePlay actors played the role requiring a 'male, younger' actor?
CREATE TABLE table_21945 (
    "Actor in original production" text,
    "Actor required" text,
    "GamePlan" text,
    "FlatSpin" text,
    "RolePlay" text
)
SELECT COUNT("RolePlay") FROM table_21945 WHERE "Actor required" = 'Male, younger'
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: How many RolePlay actors played the role requiring a 'male, younger' actor? ### Input: CREATE TABLE table_21945 (
    "Actor in original production" text,
    "Actor required" text,
    "GamePlan" text,
    "FlatSpin" text,
    "RolePlay" text
) ### Response: SELECT COUNT("RolePlay") FROM table_21945 WHERE "Actor required" = 'Male, younger'