user: Question: What is the number of asts when rebs are larger than 1189?
Columns: ['Player', 'Pos.', 'From', 'School/Country', 'Rebs', 'Asts']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Greg Jackson Category:Articles with hCards', 'PG', '1975', 'Guilford', 67.0, 93.0]
SQL:

assistant: SELECT SUM("Asts") FROM "Table" WHERE "Rebs" > 1189.0;