Question: The tournament that ran from 20 December 2016 to 28 January 2017 caused a break in what Austrailian Competition?
Context: The 2016–17 Big Bash League season or BBL|06 was the sixth season of the KFC Big Bash League, the professional men's Twenty20 domestic cricket competition in Australia.  The tournament ran from 20 December 2016 to 28 January 2017.  The format of the tournament was identical to previous seasons.  Each team played eight group stage matches, four at home and four away, before the top four ranked teams progressed to the Semi Finals. Hashan Upendra (born 14 April 1997) is a Sri Lankan cricketer.  He made his first-class debut for Nondescripts Cricket Club in the 2016–17 Premier League Tournament on 28 January 2017.  He made his List A debut for Matara District in the 2016–17 Districts One Day Tournament on 17 March 2017. The 2016–17 Departmental One Day Cup was a List A cricket tournament in Pakistan.  The competition ran from 17 December 2016 to 2 January 2017.  The final was played between Sui Southern Gas Corporation and Habib Bank Limited, with Habib Bank Limited winning the match by 5 wickets. Lasith Ambuldeniya (born 20 October 1996) is a Sri Lankan cricketer.  He made his first-class debut for Nondescripts Cricket Club in the 2016–17 Premier League Tournament on 28 January 2017.  He made his List A debut for Matara District in the 2016–17 Districts One Day Tournament on 17 March 2017. Barbara Jatta (born 1962) is an Italian art historian.  On 20 December 2016 it was announced that she was appointed by Pope Francis as the director of the Vatican Museums, replacing Antonio Paolucci who has been the director since 2007.  She officially took the position on 1 January 2017. The 2016–17 Women's Big Bash League season or WBBL|02 was the second season of Women's Big Bash League (WBBL), the semi-professional women's Twenty20 domestic cricket competition in Australia.  The tournament ran from 10 December 2016 to 28 January 2017.  Each WBBL team consisted of a squad of 15 players and was aligned with one of the men's teams in the Big Bash League. The 2016–17 Sheffield Shield season was the 115th season of the Sheffield Shield, the domestic first-class cricket competition in Australia.  It started on 25 October 2016 and finished on 30 March 2017.  There was a break between December and January for the Big Bash League.  The first round of matches were played as day/night games in preparation for Australia's day/night Test match against Pakistan on 15 December 2016.  A second day/night round of fixtures took place in round five of the tournament. Martin Schulz (born 20 December 1955) is a German politician and the current leader of the Social Democratic Party of Germany (SPD).  He was the President of the European Parliament from 2012 to 2017.  In November 2016, Schulz announced he would not seek a third term, but instead would stand in 2017 as the SPD candidate for the German Chancellorship.  Prior to his Presidency of the European Parliament, he was the leader of its Progressive Alliance of Socialists and Democrats group.  Elected as European Parliament President in 2012, Schulz was re-elected on 1 July 2014.  On 17 January 2017, he was succeeded by Antonio Tajani of the EPP.  In January 2017, Sigmar Gabriel announced he would not be the SPD candidate for the German Chancellorship, in favour of Schulz.  Furthermore, Gabriel announced he would not stand for re-election as party leader and recommended Schulz as his replacement. Malindu Maduranga (born 11 October 1997) is a Sri Lankan cricketer.  He made his first-class debut for Colombo Cricket Club in the 2016–17 Premier League Tournament on 28 January 2017.  He made his List A debut for Colombo District in the 2016–17 Districts One Day Tournament on 22 March 2017. The 2016–17 Andros Trophy is the 27th season of the Andros Trophy, a motor racing championship for automobile ice racing and motorcycle ice racing held in France and Andorra.  The season began in Val Thorens on 3 December 2016 and finished on 28 January 2017 at Super Besse.
Answer: The 2016–17 Sheffield Shield season