Shaandiin Tome was on the road when she heard the news. The 29-year-old New Mexico-based Diné filmmaker was on her way back from a whirlwind week at South by Southwest (SXSW) Film Festival in Austin where her documentary “Long Line of Ladies,” which she co-directed with Rayka Zehtabchi, had just screened. Her partner was watching a live-stream of the awards ceremony on Twitter when the film was announced as winner of 2022’s Best Documentary Short.Shaandiin Tome was on the road when she heard the news. The 29-year-old New Mexico-based Diné filmmaker was on her way back from a whirlwind week at South by Southwest (SXSW) Film Festival in Austin where her documentary “Long Line of Ladies,” which she co-directed with Rayka Zehtabchi, had just screened. Her partner was watching a live-stream of the awards ceremony on Twitter when the film was announced as winner of 2022’s Best Documentary Short.