Name the maximum number of disc for bill gereghty
CREATE TABLE table_15430606_1 (no_disc INTEGER, directed_by VARCHAR)
SELECT MAX(no_disc) FROM table_15430606_1 WHERE directed_by = "Bill Gereghty"
### Context: CREATE TABLE table_15430606_1 (no_disc INTEGER, directed_by VARCHAR) ### Question: Name the maximum number of disc for bill gereghty ### Answer: SELECT MAX(no_disc) FROM table_15430606_1 WHERE directed_by = "Bill Gereghty"