who was the semifinalist for the Key Biscane tournament?
CREATE TABLE table_name_12 (
    semifinalists VARCHAR,
    tournament VARCHAR
)
SELECT semifinalists FROM table_name_12 WHERE tournament = "key biscane"
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 semifinalist for the Key Biscane tournament? ### Input: CREATE TABLE table_name_12 (
    semifinalists VARCHAR,
    tournament VARCHAR
) ### Response: SELECT semifinalists FROM table_name_12 WHERE tournament = "key biscane"