TORONTO — Montreal multihyphenate Jacob Tierney has nabbed the best feature scribe prize for Jay Baruchel starrer “The Trotsky” at the 14th Writers Guild of Canada Screenwriting Awards, held Monday in Toronto.Tierney’s high school comedy with political zing, which he wrote and directed, world preemed at the Toronto Film Festival and has won several aud prizes on the global fest circuit. Tribeca Films screens “Trotsky” at the fest later this month, opening it in Gotham and L.A. theaters late spring. Alliance opens pic May 14 in Canada. Baruchel also stars in Tierney’s “Notre Dame du Grace,” currently in production in Montreal. The WGC handed out 11 awards in various categories as well as three special awards.