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 | Edition | Course | Location | Dates |
| --- | --- | --- | --- | --- |
| 2013.0 | 113th | The Country Club | Brookline, Massachusetts | August 12–18 |
| 2014.0 | 114th | Atlanta Athletic Club , Highlands Course | Johns Creek, Georgia | August 11–17 |
| 2015.0 | 115th | Olympia Fields Country Club , North Course | Olympia Fields, Illinois | August 17–23 |
| 2016.0 | 116th | Oakland Hills Country Club , South Course | Bloomfield Township, Michigan | August 15–21 |
| 2017.0 | 117th | Riviera Country Club | Pacific Palisades, California | August 14–20 |
| 2018.0 | 118th | Pebble Beach Golf Links | Pebble Beach, California | August 13–19 |
Question:
What year had an edition of 115th?
Answer:
2015.0