is glucose patient 11688 measured at 2104-12-01 06:30:00 , less than measured at 2104-11-30 06:25:00?
select ( select labevents.valuenum from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 11688 ) and labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'glucose' ) and labevents.charttime = '2104-12-01 06:30:00' ) < ( select labevents.valuenum from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 11688 ) and labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'glucose' ) and labevents.charttime = '2104-11-30 06:25:00' )