what is the name of the fossil specimen that dates from eocene?
Entity
m.05z2g59
Darwinius masillae
class entity
biology.fossil_specimen m.02kwm
biology.fossil_specimen time.geologic_time_period
Fossil specimen Eocene
none none
biology.fossil_specimen.dates_from
Dates from
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :biology.fossil_specimen . 
VALUES ?x1 { :m.02kwm } 
?x0 :biology.fossil_specimen.dates_from ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND biology.fossil_specimen (JOIN biology.fossil_specimen.dates_from m.02kwm))