What is the average capacity for the vehicle having a navigator of Macneall?
CREATE TABLE table_name_89 (capacity INTEGER, navigator VARCHAR)
SELECT AVG(capacity) FROM table_name_89 WHERE navigator = "macneall"
### Context: CREATE TABLE table_name_89 (capacity INTEGER, navigator VARCHAR) ### Question: What is the average capacity for the vehicle having a navigator of Macneall? ### Answer: SELECT AVG(capacity) FROM table_name_89 WHERE navigator = "macneall"