Northfields , opened NUMBER@1 April NUMBER@2 by the District -LRB- one of the two depots is here and some trains terminate here -RRB- ; first served by the Piccadilly line NUMBER@3 January NUMBER@4 .

Northfields , opened NUMBER@1 April NUMBER@2 by the District -LRB- one of the two depots is here and some trains terminate here -RRB- ; first served by the Piccadilly Line NUMBER@3 January NUMBER@4 . PERSON@1 , opened March NUMBER@5 , NUMBER@6 by the LOCATION@1 ; first served by the Piccadilly Line October NUMBER@7 , NUMBER@4 -LRB- from here to LOCATION@2 trains share track with Metropolitan Line , and some trains terminate here -RRB- .
