SELECT "name" FROM table_204_95 ORDER BY "years at nebraska" - "years at nebraska" DESC LIMIT 1
which coach held his position for the most years ?
CREATE TABLE table_204_95 (
    id number,
    "name" text,
    "title" text,
    "first year\nin this position" number,
    "years at nebraska" text,
    "alma mater" text
)