Who had the most assist when the opponent was Cleveland?
CREATE TABLE table_15780049_6 (
    high_assists VARCHAR,
    team VARCHAR
)
SELECT high_assists FROM table_15780049_6 WHERE team = "Cleveland"
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 had the most assist when the opponent was Cleveland? ### Input: CREATE TABLE table_15780049_6 (
    high_assists VARCHAR,
    team VARCHAR
) ### Response: SELECT high_assists FROM table_15780049_6 WHERE team = "Cleveland"