What year at the US Open Cup quarterfinals, were the playoffs in the semifinals for the USL second division?
CREATE TABLE table_22966 (
    "Year" real,
    "Division" real,
    "League" text,
    "Regular Season" text,
    "Playoffs" text,
    "U.S. Open Cup" text,
    "Avg. Attendance" real
)
SELECT "Year" FROM table_22966 WHERE "League" = 'USL Second Division' AND "Playoffs" = 'Semifinals' AND "U.S. Open Cup" = 'Quarterfinals'
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 year at the US Open Cup quarterfinals, were the playoffs in the semifinals for the USL second division? ### Input: CREATE TABLE table_22966 (
    "Year" real,
    "Division" real,
    "League" text,
    "Regular Season" text,
    "Playoffs" text,
    "U.S. Open Cup" text,
    "Avg. Attendance" real
) ### Response: SELECT "Year" FROM table_22966 WHERE "League" = 'USL Second Division' AND "Playoffs" = 'Semifinals' AND "U.S. Open Cup" = 'Quarterfinals'