Question: which competition did Ekaterina Vasilieva compete in pairs with the russian pair skater who teamed up with Yuko Kavaguti and win two-time European champions (2010, 2015), two-time World bronze medalists (2009, 2010), two-time ISU Grand Prix Final bronze medalists (11–12 and 15–16), and three-time Russian national champions (2008–2010) ?
{'answer': '2006 World Junior Championships', 'supporting_facts': [['Ekaterina Vasilieva (figure skater)', 2], ['Ekaterina Vasilieva (figure skater)', 3], ['Alexander Smirnov (figure skater)', 1], ['Alexander Smirnov (figure skater)', 2]]}