What are the results for testing the species with voges-proskauer when citrate yields a positive result?
CREATE TABLE table_16083989_1 (
    voges_proskauer VARCHAR,
    citrate VARCHAR
)
SELECT voges_proskauer FROM table_16083989_1 WHERE citrate = "Positive"
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 are the results for testing the species with voges-proskauer when citrate yields a positive result? ### Input: CREATE TABLE table_16083989_1 (
    voges_proskauer VARCHAR,
    citrate VARCHAR
) ### Response: SELECT voges_proskauer FROM table_16083989_1 WHERE citrate = "Positive"