Name the number of scm system for nant, visual studio
CREATE TABLE table_25530 (
    "Name" text,
    "Platform" text,
    "License" text,
    "Windows builders" text,
    "Java builders" text,
    "Other builders" text,
    "SCM system" text,
    "Notification" text,
    "IDE Integration" text,
    "Other Integration" text
)
SELECT COUNT("SCM system") FROM table_25530 WHERE "Windows builders" = 'NAnt, Visual Studio'
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: Name the number of scm system for nant, visual studio ### Input: CREATE TABLE table_25530 (
    "Name" text,
    "Platform" text,
    "License" text,
    "Windows builders" text,
    "Java builders" text,
    "Other builders" text,
    "SCM system" text,
    "Notification" text,
    "IDE Integration" text,
    "Other Integration" text
) ### Response: SELECT COUNT("SCM system") FROM table_25530 WHERE "Windows builders" = 'NAnt, Visual Studio'