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 | No.(s) | Height in Ft. | Position | Years for Rockets | School/Club Team/Country |
| --- | --- | --- | --- | --- | --- |
| Kennedy, Goo Goo Kennedy | 30 | 6-5 | Forward | 1976-77 | Texas Christian |
| Kimball, Toby Toby Kimball | 7 | 6-8 | Center | 1967-71 | Connecticut |
| Knight, Bradin Brandin Knight | 10 | 6-0 | Guard | 2004 | Pittsburgh |
| Kojis, Don Don Kojis | 44 | 6-6 | Forward | 1967-70 | Marquette |
| Kunnert, Kevin Kevin Kunnert | 20, 44 | 7-0 | Center | 1973-78 | Iowa |
Question:
Rockets height was 6-6 in feet, list the time frame where this was true?
Answer:
1967-70