Question: Which Australian striker led the Rangers to a win in the 2004-05 Scottish Premier League?

Context paragraphs:
Scott McDonald: Scott Douglas McDonald (born 21 August 1983) is an Australian professional footballer who plays for Dundee United.  Originally a striker, McDonald can also play as an attacking midfielder.

2010–11 Scottish Premier League: The 2010–11 Scottish Premier League was the thirteenth season of the Scottish Premier League, the highest division of Scottish football.  It commenced on 14 August 2010 and ended on 15 May 2011.  The defending champions were Rangers who retained their championship with a 5–1 win at Kilmarnock on the final day of the season.

2004–05 Scottish Premier League: The 2004–05 Scottish Premier League was won by Rangers.  Rangers won the title on the final day of the season by a single point from Celtic, who had gone into the final fixtures leading, but conceded two goals in the final two minutes of their final game to Motherwell striker Scott McDonald, costing them the title.

Mitre Revolve: The Mitre Revolve is an association football ball made by Mitre Sports International, a British sports equipment manufacturer.  It is the official ball of several football competitions, including The Football League, the Football League Cup, the Football League Trophy and the Scottish Premier League.  Balls used by teams in the Football League Championship, Football League One and the Scottish Premier League are all given club-specific colour schemes and the club badge is featured.  A generic version of the ball is used for clubs in Football League Two.  Since 2009, a variation of the ball with a black-and-goal design has been used for the Football League Cup final.  In the Scottish Premier League, the champions from the previous season use a gold-coloured ball in recognition of their status as champions.  A high-visibility version of the ball was developed, in orange with a red and yellow pattern.

Þórarinn Kristjánsson: Þórarinn Brynjar Kristjánsson (born 30 December 1980) is an Icelandic professional football player.  He played three times for Aberdeen in the 2004–05 Scottish Premier League season.

2011–12 Aberdeen F.C. season: The 2011–12 season was Aberdeen's 99th season in the top flight of Scottish football and their 100th season overall.  Aberdeen will compete in the Scottish Premier League, Scottish Cup and Scottish League Cup.  Aberdeen were knocked out of the Scottish League Cup at the third round stage, losing on penalties to East Fife after a 3–3 draw.  In the Scottish Cup, Aberdeen lost 1–2 to Hibernian in the semi final.  Aberdeen finished in 9th place in the Scottish Premier League.

2011–12 Dundee F.C. season: The 2011–12 season was Dundee's seventh consecutive season in the Scottish First Division, having been relegated from the Scottish Premier League at the end of the 2004–05 season.  Dundee also competed in the Challenge Cup, League Cup and the Scottish Cup.  Dundee's were promoted to the Scottish Premier League at the end of the campaign after Rangers liquidation meant a 2nd-place finish was enough to be promoted.

2012–13 Dundee F.C. season: The 2012–13 season was Dundee's first season back in the Scottish Premier League.  Dundee also competed in the League Cup and the Scottish Cup.  Dundee were due to compete in their eighth consecutive season in the Scottish First Division, having been relegated from the Scottish Premier League in 2005.  On 16 July 2012, Dundee were invited to join to the SPL to fill the vacancy left by Rangers.  Their membership was officially confirmed on 3 August, only one day before the season started.

Scottish Premier League Golden Boot: The Scottish Premier League Golden Boot was a football award presented to the leading goalscorer at end of every season of the Scottish Premier League (SPL).  The Scottish Premier League (SPL) replaced the Scottish Premier Division as the top flight of Scottish football for the 1998–99 season, but was replaced by the Scottish Premiership as the top division by the end of the 2012–13 season after the merger of the Scottish Premier League (SPL) and Scottish Football League (SFL) to form the Scottish Professional Football League (SPFL).

2004–05 Scottish Challenge Cup: The 2004–05 Scottish Challenge Cup was the 14th season of the competition, competed for by all 30 members of the Scottish Football League.  The defending champions were Inverness Caledonian Thistle, who defeated Airdrie United 2–0 in the 2003 final.  Inverness Caledonian Thistle did not compete in the tournament after being promoted to the Scottish Premier League.

Supporting paragraphs: 2004–05 Scottish Premier League Scott McDonald
Answer: Scott McDonald