What Set 2 has a set one at 19:21?
CREATE TABLE table_12316 (
    "Date" text,
    "Score" text,
    "Set 1" text,
    "Set 2" text,
    "Total" text
)
SELECT "Set 2" FROM table_12316 WHERE "Set 1" = '19:21'
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 Set 2 has a set one at 19:21? ### Input: CREATE TABLE table_12316 (
    "Date" text,
    "Score" text,
    "Set 1" text,
    "Set 2" text,
    "Total" text
) ### Response: SELECT "Set 2" FROM table_12316 WHERE "Set 1" = '19:21'