From which institute is harder to graduate for a bachelor, Amridge University or Auburn University?
institute refers to chronname; harder to graduate for a bachelor refers to MIN(grad_100_value); Amridge University refers to chronname = 'Amridge University'; Auburn University refers to chronname = 'Auburn University';
SELECT chronname FROM institution_details WHERE chronname IN ('Amridge University', 'Auburn University') ORDER BY grad_100_value LIMIT 1