user: Question: what is the total number of player where years for rockets is 1975-79
Columns: ['Player', 'No.(s)', 'Height in Ft.', 'Position', 'Years for Rockets', 'School/Club Team/Country']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Wafer, Von Von Wafer', '13', '6-5', 'Guard', '2008-09', 'Florida State']
SQL:

assistant: SELECT COUNT("Player") FROM "Table" WHERE "Years for Rockets" = '1975-79';