col : boat | time | crew | nation | date | meet | location row 1 : m1x single sculls | 6:33.35 | mahe drysdale | new zealand | 2009 | nan | poznan, poland row 2 : m2- coxless pairs | 6:08.50 | hamish bond eric murray | new zealand | 2012 | summer olympics | eton dorney, england row 3 : m2+ coxed pairs | 6:42.16 | igor boraska tihomir frankovic milan razo | croatia | 1994 | nan | indianapolis, united states row 4 : m2x double sculls | 6:03.25 | adrien hardy jean-baptiste macquet | france | 2006 | nan | poznan, poland row 5 : m4- coxless four | 5:37.86 | andrew triggs-hodge tom james pete reed alex gregory | great britain | 2012 | nan | lucerne, switzerland row 6 : m4+ coxed four | 5:58.96 | matthias ungemach armin eichholz armin weyrauch | germany | 1991 | nan | vienna, austria row 7 : m4x quad sculls | 5:33.15 | vladislav ryabcev alexey svirin ni | russia | 2012 | nan | lucerne,switzerland row 8 : m8+ eight | 5:19.35 | gabriel bergen douglas csima robert gibson conlin mcca | canada | 2012 | nan | lucerne, switzerland row 9 : lm1x lightweight single sculls | 6:46.93 | jeremie azou | france | 2011 | nan | amsterdam, netherlands row 10 : lm2- lightweight coxless pairs | 6:26.21 | tony o'connor neville maxwell | ireland | 1994 | nan | paris, france row 11 : lm2x lightweight double sculls | 6:10.02 | mads rasmussen rasmus quist | denmark | 2007 | nan | amsterdam, netherlands row 12 : lm4- lightweight coxless four | 5:45.60 | thomas poulsen thomas ebert eskild ebbe | denmark | 1999 | nan | lucerne, switzerland row 13 : lm4x lightweight quad sculls | 5:45.18 | francesco esposito massimo lana michelangelo crispi | italy | 1992 | nan | montreal, canada row 14 : lm8+ lightweight eight | 5:30.24 | klaus altena christian dahlke thomas melges bernhard stompor | germany | 1992 | nan | montreal, canada
what are all the nations? of these, which competed in 2012? which had the least amount of time?
canada
Boat Time Crew Nation Date Meet Location
which had the least amount of time?
M1x Single sculls 6:33.35 Mahe Drysdale New Zealand 2009 nan Poznan, Poland
M2- Coxless pairs 6:08.50 Hamish Bond Eric Murray New Zealand 2012 Summer Olympics Eton Dorney, England
M2+ Coxed pairs 6:42.16 Igor Boraska Tihomir Frankovic Milan Razo Croatia 1994 nan Indianapolis, United States
M2x Double sculls 6:03.25 Adrien Hardy Jean-Baptiste Macquet France 2006 nan Poznan, Poland
M4- Coxless four 5:37.86 Andrew Triggs-Hodge Tom James Pete Reed Alex Gregory Great Britain 2012 nan Lucerne, Switzerland
M4+ Coxed four 5:58.96 Matthias Ungemach Armin Eichholz Armin Weyrauch Germany 1991 nan Vienna, Austria
M4x Quad sculls 5:33.15 Vladislav Ryabcev Alexey Svirin Ni Russia 2012 nan Lucerne,Switzerland
M8+ Eight 5:19.35 Gabriel Bergen Douglas Csima Robert Gibson Conlin McCa Canada 2012 nan Lucerne, Switzerland
LM1x Lightweight single sculls 6:46.93 Jeremie Azou France 2011 nan Amsterdam, Netherlands
LM2- Lightweight coxless pairs 6:26.21 Tony O'Connor Neville Maxwell Ireland 1994 nan Paris, France
LM2x Lightweight double sculls 6:10.02 Mads Rasmussen Rasmus Quist Denmark 2007 nan Amsterdam, Netherlands
LM4- Lightweight coxless four 5:45.60 Thomas Poulsen Thomas Ebert Eskild Ebbe Denmark 1999 nan Lucerne, Switzerland
LM4x Lightweight quad sculls 5:45.18 Francesco Esposito Massimo Lana Michelangelo Crispi Italy 1992 nan Montreal, Canada
LM8+ Lightweight eight 5:30.24 Klaus Altena Christian Dahlke Thomas Melges Bernhard Stompor Germany 1992 nan Montreal, Canada
Canada
which had the least amount of time? || of these, which competed in 2012? | what are all the nations?