Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Title | Role | Notes |
| --- | --- | --- | --- |
| 1982 | Murder by Phone | Teenage Girl |  |
| 1985 | Reckless Disregard | Sandy | TV movie |
| 1985 | Anne of Green Gables | Alice Lawson | TV movie |
| 1985 | Perry Mason Returns | Salesgirl | TV movie |
| 1986 | Perry Mason: The Case of the Shooting Star |  | TV movie |
| 1986 | Alex: The Life of a Child | Jane | TV movie |
| 1987 | Smith & Smith's Comedy Mill |  | TV series |
| 1987 | Deep Sea Conspiracy | Nurse |  |
| 1987 | Amerika | Sally, VFA | TV mini-series |
| 1987 | Anne of Avonlea | Alice Lawson | TV movie |
| 1989 | Looking for Miracles | Nurse Blanche | TV movie |
| 1990–1996 | Road to Avonlea | Olivia King Dale | 91 episodes |
| 1991 | A Stranger in the Family | Mrs. Kessler | TV movie |
| 1996 | Goosebumps | Mrs. Mathews | Episode: "Attack of the Mutant" |
| 1998 | Happy Christmas, Miss King | Olivia Dale | TV movie |
| 1999 | Shadow Lake | Louise Garby | TV movie |
| 1999 | My Grandmother Ironed the King's Shirts | Narrator (voice) | Animated short |
| 2000–2001 | Timothy Goes to School | Lilly (voice) | Series regular |
| 2007 | Bonded Pairs | Herself | Short film |
| 2011 | The Being Frank Show |  | Episode: "1.11" |
Question:
which tv series has the longest running time?
Answer:
Road to Avonlea