Question: The suburb of Parafield Gardens, South Australia is the home to the Electoral district of Ramsay. Who is the electoral district named after?

Context paragraphs:
Colombo East Electoral District: Colombo East electoral district was an electoral district of Sri Lanka between July 1977 and February 1989.  The district was named after the city of Colombo in Colombo District, Western Province.  The district was created by the division of the Colombo South Electoral District into Colombo East and Colombo West electoral districts in July 1977.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo East electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo East continues to be a polling division of the multi-member electoral district.

Nallur Electoral District: Nallur Electoral District was an electoral district of Sri Lanka between March 1960 and February 1989.  The district was named after the town of Nallur in Jaffna District, Northern Province.  The district was carved out of the eastern part of Jaffna Electoral District in March 1960.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Nallur electoral district was replaced by the Jaffna multi-member electoral district at the 1989 general elections, the first under the PR system, though Nallur continues to be a polling division of the multi-member electoral district.

Nintavur Electoral District: Nintavur electoral district was an electoral district of Sri Lanka between March 1960 and February 1989.  The district was renamed Sammanthurai electoral district in July 1977.  The district was named after the towns of Nintavur and Sammanthurai in Ampara District, Eastern Province.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Sammanthurai electoral district was replaced by the Ampara (Amparai) multi-member electoral district at the 1989 general elections, the first under the PR system, though Sammanthurai continues to be a polling division of the multi-member electoral district.

Electoral district of Ramsay: Ramsay is an electoral district of the House of Assembly in the Australian state of South Australia.  It is named after Alexander Ramsay, who was General Manager of the South Australian Housing Trust for 25 years.  It is a 24.7 km² suburban electorate north of Adelaide—based on the angle between Main North Road and the Port Wakefield Road, Ramsay covers the outer northern Adelaide suburbs of Brahma Lodge, Parafield, Salisbury, Salisbury Downs, Salisbury Plain and Salisbury South as well as parts of Parafield Gardens, Paralowie and Salisbury North.

Uduvil Electoral District: Uduvil Electoral District was an electoral district of Sri Lanka between March 1960 and February 1989.  The district was renamed Manipay Electoral District in July 1977.  The district was named after the towns of Uduvil and Manipay in Jaffna District, Northern Province.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Manipay electoral district was replaced by the Jaffna multi-member electoral district at the 1989 general elections, the first under the PR system, though Manipay continues to be a polling division of the multi-member electoral district.

Kilinochchi Electoral District: Kilinochchi Electoral District was an electoral district of Sri Lanka between March 1960 and February 1989.  The district was named after the town of Kilinochchi in Kilinochchi District, Northern Province.  The district was carved out of the southern part of Chavakacheri Electoral District in March 1960.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Kilinochchi electoral district was replaced by the Jaffna multi-member electoral district at the 1989 general elections, the first under the PR system, though Kilinochchi continues to be a polling division of the multi-member electoral district.

Parafield Gardens, South Australia: Parafield Gardens is a suburb of Adelaide, South Australia.  The suburb is largely residential, with a pocket of industrial land in the southwest corner.  There are two small shopping centres in the area, one on Salisbury Highway which has a Foodland (South Australia), and another on Sheperdson Road which has an Independent Grocers of Australia.

Udupiddy Electoral District: Udupiddy Electoral District was an electoral district of Sri Lanka between March 1960 and February 1989.  The district was named after the town of Udupiddy in Jaffna District, Northern Province.  The district was carved out of the western part of Point Pedro Electoral District in March 1960.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Udupiddy electoral district was replaced by the Jaffna multi-member electoral district at the 1989 general elections, the first under the PR system, though Udupiddy continues to be a polling division of the multi-member electoral district.

Point Pedro Electoral District: Point Pedro Electoral District was an electoral district of Sri Lanka between August 1947 and February 1989.  The district was named after the town of Point Pedro in Jaffna District, Northern Province.  Udupiddy Electoral District was carved out of the western part of the district in March 1960.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Point Pedro electoral district was replaced by the Jaffna multi-member electoral district at the 1989 general elections, the first under the PR system, though Point Pedro continues to be a polling division of the multi-member electoral district.

Colombo West Electoral District: Colombo West electoral district was an electoral district of Sri Lanka between July 1977 and February 1989.  The district was named after the city of Colombo in Colombo District, Western Province.  The district was created by the division of the Colombo South Electoral District into Colombo East and Colombo West electoral districts in July 1977.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo West electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo West continues to be a polling division of the multi-member electoral district.

Supporting paragraphs: Electoral district of Ramsay Parafield Gardens, South Australia
Answer: Alexander Ramsay