Until Tony Blair, which of Britain's Labour Prime Ministers was in office for the longest overall time?
until tony blair, which of britain's labour prime ministers was in office for the longest overall time
FreebaseQA-train-3385.P0 FreebaseQA-train-3385.P1
britain labour
britain labour party
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government.governmental_jurisdiction.governing_officials..government.government_position_held.office_holder government.political_party.politicians_in_this_party..government.political_party_tenure.politician
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harold wilson
m.0dr9m
harold wilson