What is the Velká pardubická with the lowest race time whose winner is Peter Gehm?
select ?ent where { ?ent wdt:P31 wd:Q1701273 . ?ent wdt:P2781 ?obj . ?ent wdt:P1346 wd:Q12044712} ORDER BY ASC(?obj)LIMIT 5 
velká pardubická: Q1701273 peter gehm: Q12044712