This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.

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.
Question: How many losses did Celtic have in the 2017 domestic season?
Answer type: Number
0.