user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Record progression' regarding 'Katerina Stefanidi'
Table Content:
| Performance | Venue | Date |
| --- | --- | --- |
| 4.91 m, NR | London, UK | 2017, August 6 |
| 4.86 m, NR | Filothei (Athens), Greece | 2016, June 8 |
| 4.77 m | Birmingham, UK | 2016, June 5 |
| 4.75 m | Rabat, Morocco | 2016, May 22 |
| 4.90 m, NR (i) | New York (Armory), USA | 2016, February 20 |
| 4.80 m (i) | New York (Armory), USA | 2016, February 20 |
| 4.77 m, NR (i) | Flagstaff (AZ), USA | 2015, February 20 |
| 4.71 m, =NR | Monaco, Monaco | 2014, July 18 |
| 4.65 m | Glasgow, UK | 2014, July 12 |
| 4.60 m | New York City, USA | 2014, June 15 |
| 4.57 m | Chula Vista (CA), USA | 2014, May 30 |
| 4.55 m (i) | Flagstaff (AZ), USA | 2014, January 25 |
| 4.51 m, NU23R | Livermore (CA), USA | 2012, June 16 |
| 4.48 m, NU23R | Eugene, USA | 2012, May 13 |
| 4.45 m, =NU23R | Ostrava, Czech Republic | 2011, July 17 |
| 4.41 m (i) | Seattle, USA | 2011, January 15 |
| 4.30 m | Marrakech, Morocco | 2005, July 16 |
| 4.37 m, WYR (i) | Peania, Greece | 2005, February 20 |
| 4.14 m | Korinthos, Greece | 2004, July 3 |
| 3.95 m (i) | Peania, Greece | 2004, January 17 |
| 3.90 m | Chania, Greece | 2003, June 9 |
| 3.60 m (i) | Athens, Greece | 2003, February 22 |
| 3.40 m | Athens, Greece | 2002, June 9 |


Question
what was the distance of the two records established by Katerina Stefanidi in 2015?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Katerina Stefanidi set a record of 4.60 m and a national record of 4.77 m in 2015."]