Republics in the Commonwealth of Nations

Columns: Member state | Year of independence | Became a Commonwealth republic | Current government type | First president
10 | Nigeria | 1960 | 1963 | Parliamentary republic | Incumbent Governor-General | 11 | Pakistan | 1947 | 1956 | Parliamentary republic | Incumbent Governor-General | 12 | Sierra Leone | 1961 | 1971 | Presidential republic | Incumbent Governor-General ( interim ) | 13 | South Africa | 1910 | 1961 | Parliamentary republic | Incumbent Governor-General | 14 | Sri Lanka | 1948 | 1972 | Semi-presidential republic | Incumbent Governor-General | 15 | Tanzania | n/a | n/a | Presidential republic | Incumbent Prime Minister | 16 | Trinidad and Tobago | 1962 | 1976 | Parliamentary republic | Incumbent Governor-General | 17 | Uganda | 1962 | 1963 | Semi-presidential republic | New appointment

Example questions:
Which ocean borders the republic and member of the Commonwealth of Nations that gained independence in 1963 ? | What is the climate of the republic and member of the Commonwealth of Nations that joined in 1971 ? | Which gulf borders the republic and member of the Commonwealth of Nations that gained independence in 1957 ? | How far from the coast of the African continent is the republic and member of the Commonwealth of Nations that joined in 1992 ? | Which part of Oceania is the republic and member of the Commonwealth of Nations that gained independence in 1970 located in ?

Answers:
Indian Ocean | tropical | Gulf of Guinea | 2,000 kilometres | Melanesia