user: ### NOW ANSWER:
Question: What is the average rank for team cle when the BB/SO is 10.89?
Columns: ['Rank', 'Player', 'Team', 'Year', 'BB/SO']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Joe Sewell', 'NYY', 1932.0, 18.67]
SQL:

assistant: SELECT AVG("Rank") FROM "Table" WHERE "Team" = 'cle' AND "BB/SO" = 10.89;