What is the aggregate when the second leg is 1-3?
CREATE TABLE table_22028 (
    "Home (1st leg)" text,
    "Home (2nd leg)" text,
    "1st Leg" text,
    "2nd leg" text,
    "Aggregate" text
)
SELECT "Aggregate" FROM table_22028 WHERE "2nd leg" = '1-3'
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 is the aggregate when the second leg is 1-3? ### Input: CREATE TABLE table_22028 (
    "Home (1st leg)" text,
    "Home (2nd leg)" text,
    "1st Leg" text,
    "2nd leg" text,
    "Aggregate" text
) ### Response: SELECT "Aggregate" FROM table_22028 WHERE "2nd leg" = '1-3'