who is the speaker of the house of representatives currently?
(JOIN (R government.government_position_held.office_holder) (AND (JOIN government.government_position_held.time_macro 2015^^http://www.w3.org/2001/XMLSchema#date) (AND (JOIN government.government_position_held.basic_title m.02079p) (JOIN (R government.government_office_or_title.office_holders) m.0cgqx))))