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:
| Ranking | Nationality | Name | Games | Years |
| --- | --- | --- | --- | --- |
| 1.0 | Spain | Xavi Category:Articles with hCards | 833.0 | 1997– |
| 2.0 | Spain | Carles Puyol | 724.0 | 1996– |
| 3.0 | Spain | Migueli | 664.0 | 1973–1989 |
| 4.0 | Spain | Carles Rexach Category:Articles with hCards | 656.0 | 1965–1981 |
| 5.0 | Spain | Víctor Valdés Category:Articles with hCards | 639.0 | 2000– |
| 6.0 | Spain | Guillermo Amor Category:Articles with hCards | 550.0 | 1988–1998 |
| 7.0 | Spain | Joaquim Rifé Category:Articles with hCards | 535.0 | 1964–1976 |
| 8.0 | Spain | Joan Segarra Category:Articles with hCards | 528.0 | 1949–1964 |
Question:
What is the Years when games shows 550?
Answer:
1988–1998