user
Instruction
Answer the question based on the provided table.


Table
Table Title: Flamurtari Vlorë
Table Content:
| Season | Competition | Round | Club | Home | Away |
| --- | --- | --- | --- | --- | --- |
| 1985–86 | UEFA Cup Winners' Cup | 1R | HJK Helsinki | 1–2 | 2–3 |
| 1986–87 | UEFA Cup | 1R | FC Barcelona | 1–1 | 0–0 |
| 1987–88 | UEFA Cup | 1R | FK Partizan Beograd | 2–0 | 1–2 |
| 1987–88 | UEFA Cup | 2R | Wismut Aue | 2–0 | 0–1 |
| 1987–88 | UEFA Cup | 1/16 | FC Barcelona | 1–0 | 1–4 |
| 1988–89 | UEFA Cup Winners' Cup | 1R | Lech Poznań | 2–3 | 0–1 |
| 1990–91 | UEFA Cup Winners' Cup | 1R | Olympiacos Piraeus | 0–2 | 1–3 |
| 1991–92 | UEFA European Cup | 1R | IFK Göteborg | 1–1 | 0–0 |
| 1996–97 | UEFA Cup Winners' Cup | QR | Humenné | 0–2 | 0–1 |
| 2009–10 | UEFA Europa League | 2QR | Motherwell | 1–0 | 1–8 |
| 2011–12 | UEFA Europa League | 1QR | FK Budućnost | 1–2 | 3–1 |
|  |  | 2QR | FK Jablonec 97 | 0–2 | 1–5 |
| 2012–13 | UEFA Europa League | 1QR | Budapest Honvéd | 0–1 | 0–2 |


Question
only club shown twice


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["FC Barcelona"]