user: ### NOW ANSWER:
Question: How many rebounds have a Player of herb estes?
Columns: ['Rank', 'Player', 'Years', 'Games', 'Reb. Avg.', 'Total Rebounds']
Types: ['real', 'text', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Jim Nowers', '1972–1976', 112.0, 9.4, 1048.0]
SQL:

assistant: SELECT COUNT("Total Rebounds") FROM "Table" WHERE "Player" = 'herb estes';