Which platforms can you play Portal 2 on?
CREATE TABLE table_64868 (
    "Year" real,
    "Game" text,
    "Genre" text,
    "Platform(s)" text,
    "Developer(s)" text
)
SELECT "Platform(s)" FROM table_64868 WHERE "Game" = 'portal 2'
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: Which platforms can you play Portal 2 on? ### Input: CREATE TABLE table_64868 (
    "Year" real,
    "Game" text,
    "Genre" text,
    "Platform(s)" text,
    "Developer(s)" text
) ### Response: SELECT "Platform(s)" FROM table_64868 WHERE "Game" = 'portal 2'