user: Question: Rockets height was 6-6 in feet, list the time frame where this was true?
Columns: ['Player', 'No.(s)', 'Height in Ft.', 'Position', 'Years for Rockets', 'School/Club Team/Country']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Kennedy, Goo Goo Kennedy', '30', '6-5', 'Forward', '1976-77', 'Texas Christian']
SQL:

assistant: SELECT "Years for Rockets" FROM "Table" WHERE "Height in Ft." = '6-6';