table: [['version', 'standard name', 'common name', 'downstream rate', 'upstream rate'], ['adsl', 'ansi t1.413 - 1998 issue 2', 'adsl', '08.0 8.0 mbit / s', '1.0 mbit / s'], ['adsl', 'itu g992.1', 'adsl ( gdmt )', '8.0 mbit / s', '1.3 mbit / s'], ['adsl', 'itu g992.1 annex a', 'adsl over pots', '12.0 mbit / s', '1.3 mbit / s'], ['adsl', 'itu g992.1 annex b', 'adsl over isdn', '12.0 mbit / s', '1.8 mbit / s'], ['adsl', 'itu g992.2', 'adsl lite ( glite )', '01.5 1.5 mbit / s', '0.5 mbit / s'], ['adsl2', 'itu g992.3', 'adsl2', '12.0 mbit / s', '1.3 mbit / s'], ['adsl2', 'itu g992.3 annex j', 'adsl2', '12.0 mbit / s', '3.5 mbit / s'], ['adsl2', 'itu g992.3 annex l', 're - adsl2', '05.0 5.0 mbit / s', '0.8 mbit / s'], ['adsl2', 'itu g992.4', 'splitterless adsl2', '01.5 1.5 mbit / s', '0.5 mbit / s'], ['adsl2 +', 'itu g992.5', 'adsl2 +', '20.0 mbit / s', '1.1 mbit / s'], ['adsl2 +', 'itu g992.5 annex m', 'adsl2 + m', '24.0 mbit / s', '3.3 mbit / s'], ['adsl2 + +', '(up to 3.75 mhz)', 'adsl4', '52.0 mbit / s', '5.0 mbit / s ']]
ref: the highest Downstream Rate for Asymmetric Digital Subscriber Line is 52.0 Mbit / S
template: the highest [ENT] for [ENT] is [ENT]