Which G-type main sequence star has the maximum stellar rotational velocity?
select ?ent where { ?ent wdt:P31 wd:Q5864 . ?ent wdt:P4296 ?obj . ?ent wdt:P31 wd:Q5864 } ORDER BY DESC(?obj)LIMIT 5 
g-type main-sequence star: Q5864 g-type main-sequence star: Q5864