Return the maximum support rate, minimum consider rate, and minimum oppose rate across all candidates?
SELECT max(support_rate) ,  min(consider_rate) ,  min(oppose_rate) FROM candidate
SELECT max(support_rate) ,  min(consider_rate) ,  min(oppose_rate) FROM candidate
[{'max(support_rate)': 0.33, 'min(consider_rate)': 0.2, 'min(oppose_rate)': 0.32}]