operated in London
... that the first hybrid electric double-decker to be built was operated in London on route 141?
... that the first <a href="./Hybrid_electric_bus" id="mwAXY" rel="mw:WikiLink" title="Hybrid electric bus">hybrid electric double-decker</a> to be built was <b id="mwAXc"><a class="mw-redirect" href="./Hybrid_buses_in_London" id="mwAXg" rel="mw:WikiLink" title="Hybrid buses in London">operated in London</a></b> on <a href="./London_Buses_route_141" id="mwAXk" rel="mw:WikiLink" title="London Buses route 141">route 141</a>?