user: Question: During what years did the Guard from Oklahoma with a height of 6-6 play for the Rockets?
Columns: ['Player', 'No.(s)', 'Height in Ft.', 'Position', 'Years for Rockets', 'School/Club Team/Country']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Bailey, Gus Gus Bailey', '22', '6-6', 'Guard', '1974-76', 'Texas-El Paso']
SQL:

assistant: SELECT "Years for Rockets" FROM "Table" WHERE "Height in Ft." = '6-6' AND "Position" = 'Guard' AND "School/Club Team/Country" = 'Oklahoma';