Left-orderable fundamental group and Dehn surgery on the knot $5_2$
  We show that the resulting manifold by $r$-surgery on the knot $5_2$, which is the two-bridge knot corresponding to the rational number 3/7, has left-orderable fundamental group if the slope $r$ satisfies $0\le r\le 4$. 
Ryoto Hakamata and Masakazu Teragaito
math.GT math.GR