What is the league with 0 losses?
CREATE TABLE table_60660 (
    "Season" text,
    "League" text,
    "Finish" text,
    "Wins" text,
    "Losses" text,
    "Pct." text
)
SELECT "League" FROM table_60660 WHERE "Losses" = '0'
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 league with 0 losses? ### Input: CREATE TABLE table_60660 (
    "Season" text,
    "League" text,
    "Finish" text,
    "Wins" text,
    "Losses" text,
    "Pct." text
) ### Response: SELECT "League" FROM table_60660 WHERE "Losses" = '0'