Task: Question Generation
Input (English): Passage: On 20 May 2016, Brendan Rodgers was announced as Deilas successor. Despite a Lincoln Red Imps 1-0 Celtic, his first season saw the team go on a long unbeaten run in domestic competitions, during which time the club won their 100th major trophy, defeating Aberdeen F.C. 3-0 in the League Cup Final on 27 November 2016. Celtic also clinched their sixth successive league title on 2 April 2017, with a record eight league games to spare. As Celtics unbeaten domestic run continued, they subjected Rangers to their heaviest defeat at Ibrox since 1915, 5-1, on 29 April. Celtics 2-0 win over Hearts on 21 May saw them finish 30 points ahead of second-placed Aberdeen in the league, with a record 106 points, and the team became the first Scottish side to complete a top-flight season undefeated since Rangers in 1899. On 27 May 2017, Celtic clinched their fourth treble by defeating Aberdeen 2-1 in the Scottish Cup final. The cup final win saw Celtic go through the entire domestic season unbeaten.
Output (English): How many losses did Celtic have in the 2017 domestic season?