What type of 3D game did Valve Corporation release?
CREATE TABLE table_43622 (
    "Developer(s)" text,
    "Release date" text,
    "Required OS" text,
    "Genre" text,
    "Type" text
)
SELECT "Genre" FROM table_43622 WHERE "Type" = '3d' AND "Developer(s)" = 'valve corporation'
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 type of 3D game did Valve Corporation release? ### Input: CREATE TABLE table_43622 (
    "Developer(s)" text,
    "Release date" text,
    "Required OS" text,
    "Genre" text,
    "Type" text
) ### Response: SELECT "Genre" FROM table_43622 WHERE "Type" = '3d' AND "Developer(s)" = 'valve corporation'