Which holmium isotope that decays to dysprosium-148 has the smallest half-life?
select ?ent where { ?ent wdt:P31 wd:Q466737 . ?ent wdt:P2114 ?obj . ?ent wdt:P816 wd:Q18882341} ORDER BY ASC(?obj)LIMIT 5 
isotope of holmium: Q466737 dysprosium-148: Q18882341