Question: David Boundy  represented the South Australian House of Assembly seat of Goyder from 1974 to 1977 for a movement organised by what former premier?

Context paragraphs:
Electoral district of Goyder: Goyder is an electoral district of the South Australian House of Assembly.  It is a 9,258 km² rural electorate located on the Yorke Peninsula and taking in the towns of Ardrossan, Bute, Edithburgh, Kadina, Maitland, Minlaton, Moonta, Port Wakefield, Wallaroo and Yorketown.  It is currently held by Steven Griffiths of the Liberal Party of Australia, and is not to be confused with the Northern Territory electorate of Goyder.  As with its Northern Territory counterpart, the electorate is named after George Goyder, a former state Surveyor-General famous for developing Goyder's Line, which indicated the area of the state that had enough rainfall to be suitable for agriculture.

Taylor state by-election, 1994: The Taylor state by-election, 1994 was a by-election held on 5 November 1994 for the South Australian House of Assembly seat of electoral district of Taylor, centred on Paralowie in the northern suburbs of Adelaide.  This was triggered by the resignation of former Premier and state Labor MHA Lynn Arnold on 21 September 1994.  The seat had been retained by Labor since it was created and first contested at the 1993 state election on a primary vote of 51.06 percent.

David Boundy: Leslie David Boundy (12 August 1932 – 18 July 2003) was an Australian politician who represented the South Australian House of Assembly seat of Goyder from 1974 to 1977 for the Liberal Movement and Liberal Party of Australia.

Frome state by-election, 2009: A by-election was held for the South Australian House of Assembly seat of Frome on 17 January 2009.  This was triggered by the resignation of former Premier and state Liberal MHA Rob Kerin.  The seat had been retained by the Liberals at the 2006 state election on a 3.4 per cent margin, and at the 2002 state election on an 11.5 per cent margin.

Ramsay state by-election, 2012: A by-election occurred in the South Australian House of Assembly seat of Ramsay on 11 February 2012.  The seat was won by Labor candidate Zoe Bettison.  The by-election was triggered by the resignation of former Premier and state Labor MHA Mike Rann.

Norwood state by-election, 1980: The Norwood state by-election, 1980 was a by-election held on 16 February 1980 for the South Australian House of Assembly seat of Norwood.  It was triggered when the result in the seat at 1979 state election was overturned by the Court of Disputed Returns.  Created and first contested at the 1938 state election, the seat had been held by former Premier and Labor MHA Don Dunstan since the 1953 state election until his resignation.  The subsequent 1979 by-election was won by Labor's Greg Crafter, but he lost to the Liberal Party's Frank Webster at the 1979 state election.

Liberal Movement (Australia): The Liberal Movement (LM) was a South Australian political party in the 1970s.  Stemming from discontent within the ranks of the Liberal and Country League (LCL), it was organised in 1972 by former premier Steele Hall as an internal group in response to a perceived resistance to sought reform within its parent.  A year later, when tensions heightened between the LCL's conservative wing and the LM, it was established in its own right as a progressive liberal party.

Goyder state by-election, 1974: The Goyder state by-election, 1974 was a by-election held on 8 June 1974 for the South Australian House of Assembly seat of Goyder.  This was triggered by the resignation of former Premier and Liberal and Country League/Liberal Movement MHA Steele Hall, who resigned to run for the Australian Senate at the 1974 federal election.  Created and first contested at the 1970 state election, the seat had been held by the Liberal parties since its creation.  Hall won the seat at the 1973 state election as an LCL candidate but afterward changed to the LM.

Michael Pengilly: Michael Redding Pengilly (born 13 June 1950, in Kangaroo Island) is an Australian politician who took over from retiring sitting member and former Premier Dean Brown in the South Australian House of Assembly seat of Finniss at the 2006 election, representing the South Australian Division of the Liberal Party of Australia.

Bragg state by-election, 1983: A by-election was held for the South Australian House of Assembly seat of Bragg on 14 May 1983.  This was triggered by the resignation of former Premier and state Liberal MHA David Tonkin.  The seat had been retained by the Liberals since it was created and first contested at the 1970 state election.

Supporting paragraphs: David Boundy Liberal Movement (Australia)
Answer: Steele Hall