what is the {start time} for {Assur} has {capital of} as {Old Assyrian Empire} ?
When did Assur become the capiral of the Old Assyrian Empire?
SELECT ?value WHERE { wd:Q200200 p:P1376 ?s . ?s ps:P1376 wd:Q22948607 . ?s pq:P580 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q200200> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1376> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q22948607> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

The Old Assyrian Empire adopted Assur as the capital in what year?