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:
| Riding | Candidate | Gender | Residence | Occupation | Votes | Rank |
| --- | --- | --- | --- | --- | --- | --- |
| Avalon | Randy Wayne Dawe | M | Clark's Beach | Truck driver | 5707.0 | 3rd |
| Bonavista—Gander—Grand Falls—Windsor | Jason Holley | M | Amherst Cove | Artist | 3577.0 | 3rd |
| Humber—St. Barbe—Baie Verte | Mark Kennedy | M | Corner Brook | Engineering Technician | 4603.0 | 2nd |
| Labrador | Phyllis Artiss | F | St. John's | Retired University Professor | 1378.0 | 2nd |
| Random—Burin—St. George's | Terry White | M | Stephenville | Carpenter | 5563.0 | 2nd |
| St. John's East | Jack Harris | M | St. John's | Lawyer | 30881.0 | 1st |
| St. John's South—Mount Pearl | Ryan Cleary | M | St. John's | Journalist | 13971.0 | 2nd |
Question:
What is the occupation of the candidate that has a riding of labrador?
Answer:
Retired University Professor