user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Former fleet' regarding 'Gulf Air'
Table Content:
| Aircraft | Total | Introduced | Retired | Notes |
| --- | --- | --- | --- | --- |
| Airbus A319-100 | 2 | 2008 | 2013 | - |
| Airbus A340-300 | 10 | 1994 | 2012 | - |
| BAC One-Eleven | 1 | 1969 | 1978 | - |
| Boeing 707-320C | Unknown | 1979 | 1980 | - |
| Boeing 737-200 | 11 | 1977 | 1995 | - |
| Boeing 737-700 | 1 | 2011 | 2012 | Used as VIP Transport |
| Boeing 737-800 | 2 | 2007 | 2008 | - |
| Boeing 747-100 | 2 | 1984 | 1987 | - |
| Boeing 757-200F | 1 | 1993 | 1996 | - |
| Boeing 767-300ER | 21 | 1988 | 2008 | Currently stored |
| Boeing 777-300ER | 4 | 2009 | 2010 | - |
| de Havilland Dove | Unknown | 1951 | 1964 | - |
| de Havilland Heron | Unknown | 1956 | 1967 | - |
| de Havilland DH.86B | Unknown | 1950 | 1952 | - |
| Douglas DC-3 | Unknown | 1961 | 1971 | - |
| Embraer 170 | 2 | 2010 | 2012 | - |
| Embraer 190 | 2 | 2010 | 2013 | - |
| Fokker F27 Friendship | Unknown | 1967 | 1981 | - |
| Lockheed L-1011 TriStar | Unknown | 1976 | 1998 | - |
| Short Skyvan | Unknown | 1970 | 1981 | - |
| Vickers VC-10 | Unknown | 1974 | 1978 | - |


Question
What are some of the Vickers, Lockheed, and Boeing planes comprising the Gulf Air Fleet?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["The Gulf Air fleet comprised Vickers VC10, Lockheed L-1011 Tristar and Boeing 737–200."]