col : rank | nation | gold | silver | bronze | total row 1 : 1 | malaysia | 3 | 0 | 1 | 4 row 2 : 2 | indonesia | 1 | 3 | 2 | 6 row 3 : 3 | korea | 1 | 1 | 2 | 4 row 4 : 4 | thailand | 1 | 0 | 0 | 1 row 5 : 5 | chinese taipei | 0 | 1 | 2 | 3 row 6 : 6 | denmark | 0 | 1 | 0 | 1 row 7 : 7 | japan | 0 | 0 | 2 | 2 row 8 : 8 | india | 0 | 0 | 1 | 1 row 9 : 9 | spain | 0 | 0 | 1 | 1
which countries have won one or more gold medals? of these, which countries have won only one gold medal? which of these countries was ranked at position 4?
thailand
Rank Nation Gold Silver Bronze Total
which of these countries was ranked at position 4?
1 Malaysia 3 0 1 4
2 Indonesia 1 3 2 6
3 Korea 1 1 2 4
4 Thailand 1 0 0 1
5 Chinese Taipei 0 1 2 3
6 Denmark 0 1 0 1
7 Japan 0 0 2 2
8 India 0 0 1 1
9 Spain 0 0 1 1
Thailand
which of these countries was ranked at position 4? || of these, which countries have won only one gold medal? | which countries have won one or more gold medals?