[['transmitter', 'service area', 'radio 1 (mhz)', '2fm (mhz)', 'rnag (mhz)', 'lyric fm (mhz)', 'erp (kw)'], ['cairn hill', 'the midlands', '89.8', 'n / a', 'n / a', 'n / a', '16'], ['clermont carn', 'ne ireland , northern ireland', '87.8', '97.0', '102.7', '95.2', '40'], ['kippure', 'dublin , wicklow , se midlands', '89.1', '91.3', '93.5', '98.7', '40'], ['maghera', 'west ireland', '88.8', '91.0', '93.2', '98.4', '160'], ['mount leinster', 'se ireland', '89.6', '91.8', '94.0', '99.2', '100'], ['mullaghanish', 'sw ireland', '90.0', '92.2', '94.4', '99.6', '160'], ['three rock', 'dublin city and county', '88.5', '90.7', '92.9', '96.7', '12.5'], ['truskmore', 'nw ireland', '88.2', '90.4', '92.6', '97.8', '160']]
Cairn Hill has the lowest kw for Erp around all the Transmitter
[ENT] has the lowest kw for [ENT] around all the [ENT]