What years had 134 orbital flights?
CREATE TABLE table_21994 (
    "Spaceport" text,
    "Launch complex" text,
    "Launcher" text,
    "Spacecraft" text,
    "Flights" text,
    "Years" text
)
SELECT "Years" FROM table_21994 WHERE "Flights" = '134 Orbital'
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 years had 134 orbital flights? ### Input: CREATE TABLE table_21994 (
    "Spaceport" text,
    "Launch complex" text,
    "Launcher" text,
    "Spacecraft" text,
    "Flights" text,
    "Years" text
) ### Response: SELECT "Years" FROM table_21994 WHERE "Flights" = '134 Orbital'