Which Years have a Character of dr trevor stewart?
CREATE TABLE table_38414 (
    "Character" text,
    "Actor" text,
    "Years" text,
    "Series" text,
    "Episode Count" real
)
SELECT "Years" FROM table_38414 WHERE "Character" = 'dr trevor stewart'
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: Which Years have a Character of dr trevor stewart? ### Input: CREATE TABLE table_38414 (
    "Character" text,
    "Actor" text,
    "Years" text,
    "Series" text,
    "Episode Count" real
) ### Response: SELECT "Years" FROM table_38414 WHERE "Character" = 'dr trevor stewart'