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:
| Player | Nationality | Jersey Number(s) | Position | Years | From |
| --- | --- | --- | --- | --- | --- |
| Mark Radford Category:Articles with hCards | United States | 30.0 | PG / SG | 1981 – 1983 | Oregon State |
| Vladimir Radmanović Category:Articles with hCards | Serbia | 77.0 | SF / PF | 2001 – 2006 | KK FMP |
| Jerry Reynolds Category:Articles with hCards | United States | 35.0 | SG / SF | 1988–1989 | Louisiana State |
| Luke Ridnour Category:Articles with hCards | United States | 8.0 | PG | 2003 – 2008 | Oregon |
| Jackie Robinson Category:Articles with hCards | United States | 22.0 | SF | 1979 | UNLV |
| Bob Rule Category:Articles with hCards | United States | 45.0 | PF / C | 1967 – 1971 | Colorado State |
Question:
What is Years, when Nationality is United States, and when Position is PG / SG?
Answer:
1981 – 1983