user: Question: What is the height for the player in 1968-72?
Columns: ['Player', 'No.(s)', 'Height in Ft.', 'Position', 'Years for Rockets', 'School/Club Team/Country']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Lampe, Maciej Maciej Lampe', '15', '6-11', 'Forward', '2006', 'Poland']
SQL:

assistant: SELECT "Height in Ft." FROM "Table" WHERE "Years for Rockets" = '1968-72';