question: which league did david n'gog join ross county in the 2017-18 season?
table.cells: club season league national cup league cup europe total
table.cells: division apps goals apps goals apps goals apps goals apps goals
table.cells: paris saint-germain 2006-07 ligue 1 4 0 1 0 0 0 1 0 6 0
table.cells: 2007-08 ligue 1 14 1 4 0 1 2 - 19 3
table.cells: total 18 1 5 0 1 2 1 0 25 3
table.cells: liverpool 2008-09 premier league 14 2 0 0 2 0 3 1 19 3
table.cells: 2009-10 premier league 24 5 2 0 2 1 9 2 37 8
table.cells: 2010-11 premier league 25 2 1 0 1 1 11 5 38 8
table.cells: total 63 9 3 0 5 2 23 8 94 19
table.cells: bolton wanderers 2011-12 premier league 33 3 4 1 2 0 - 39 4
table.cells: 2012-13 championship 31 8 2 0 0 0 - 33 8
table.cells: 2013-14 championship 17 3 1 1 1 0 - 19 4
table.cells: total 81 14 7 2 3 0 - 91 16
table.cells: swansea city 2013-14 premier league 3 0 0 0 0 0 0 0 3 0
table.cells: reims 2014-15 ligue 1 28 7 2 0 0 0 - 30 7
table.cells: 2015-16 ligue 1 16 3 1 0 1 0 - 18 3
table.cells: total 44 10 3 0 1 0 - 48 10
table.cells: panionios 2016-17 superleague greece 13 1 3 2 - 16 3 none none
table.cells: ross county 2017-18 scottish premiership 10 1 0 0 0 0 - 10 1
table.cells: budapest honved 2018-19 nemzeti bajnoksag i 18 3 6 6 0 0 - 24 9
table.cells: career total 250 39 27 9 10 4 24 8 311 61