Who was the opponent of Anand in the match with 20 moves that opened with E15 Queen's Indian Defence?
CREATE TABLE table_name_87 (
    black VARCHAR,
    opening VARCHAR,
    white VARCHAR,
    moves VARCHAR
)
SELECT black FROM table_name_87 WHERE white = "anand" AND moves = 20 AND opening = "e15 queen's indian defence"
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: Who was the opponent of Anand in the match with 20 moves that opened with E15 Queen's Indian Defence? ### Input: CREATE TABLE table_name_87 (
    black VARCHAR,
    opening VARCHAR,
    white VARCHAR,
    moves VARCHAR
) ### Response: SELECT black FROM table_name_87 WHERE white = "anand" AND moves = 20 AND opening = "e15 queen's indian defence"