What is {end time} and {start time} of {{Ted Stevens} has {employer} as {United States Department of the Interior}}
On what date did Ted Stevens begin service with the US Department of Interior, and when did he leave that position?
When was Ted Stevens hired and fired from the United States Department of the Interior?
SELECT ?m ?c WHERE { ?x property:end_time ?m . resource:Ted_Stevens property:employer ?x . ?x property:start_time ?c . ?x property:employer resource:United_States_Department_of_the_Interior }
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