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 | Position | Years in Toronto | School/Club Team |
| --- | --- | --- | --- | --- |
| Patrick O'Bryant | United States | Center | 2009-10 | Bradley |
| Jermaine O'Neal | United States | Forward-Center | 2008-09 | Eau Claire High School |
| Dan O'Sullivan | United States | Center | 1995-96 | Fordham |
| Charles Oakley | United States | Forward | 1998-2001 | Virginia Union |
| Hakeem Olajuwon | Nigeria / United States | Center | 2001-02 | Houston |
| Jimmy Oliver | United States | Guard-Forward | 1996-97 | Purdue |
Question:
What year(s) did Hakeem Olajuwon play Center for Toronto?
Answer:
2001-02