[['perpetrator', 'date', 'year', 'location', 'country', 'killed', 'injured'], ['grachev , peter', '07.31 july 31', '1925', 'ivankovo', 'soviet union', '17', '03 3'], ['ryan , michael robert , 27', '08.19 aug 19', '1987', 'hungerford', 'united kingdom', '16', '15'], ['borel , eric , 16', '09.23 sep 23 / 24', '1995', 'solliès - pont & cuers', 'france', '15', '04 4'], ['leibacher , friedrich , 57', '09.27 sep 27', '2001', 'zug', 'switzerland', '14', '18'], ['wagner , ernst august , 38', '09.04 sep 4', '1913', 'degerloch & mühlhausen / enz', 'german empire', '14', '11'], ['hz', '06.32', '1939.9', 'kz', 'fz', '100.9', '100.9'], ['unknown', '06.10 june 10 / 11', '1945', 'rouen', 'france', '14', '09 9'], ['dornier , christian , 31', '07.12 july 12', '1989', 'luxiol', 'france', '14', '08 8'], ['dembsky , vladimir', '02.15 feb 15', '1904', 'warsaw', 'russian empire', '13', '10'], ['bogdanović , ljubiša , 60', '04.09 april 9', '2013', 'velika ivanča', 'serbia', '13', '1'], ['bird , derrick , 52', '06.02 june 2', '2010', 'copeland , cumbria', 'united kingdom', '12', '11'], ['pz', '08.32', '1989.9', 'rz', 'soz', '100.9', '100.9'], ['marimon carles , jose , 26', '05.21 may 21', '1928', 'pobla de ferran', 'spain', '10', '02 2'], ['hedin , tore , 25', '08.22 aug 22', '1952', 'saxtorp & hurva', 'sweden', '9', '10 - 20'], ['izquierdo , antonio , 53 izquierdo , emilio , 58', '08.26 aug 26', '1990', 'puerto hurraco', 'spain', '9', '06.12 6 - 12'], ['palić , vinko , 28', '01.01 jan 1', '1993', 'zrinski topolovac', 'croatia', '9', '05.7 5 - 7'], ['tranchita , rosario', '09.25 june 25', '1925', 'librizzi', 'italy', '9', '04 4']]
Peter Grachev has the highest number of Killed individual in his Rampage
[ENT] has the highest number of [ENT] individual in his [ENT]