List of drainage basins of South Africa

Columns: Code | Gross capacity x10 m | Nr . regions | Major rivers | Drains to
Q | 131 | 9 | Great Fish River , Little Fish River , Tarka River , Vlekpoort River , Lake Arthur | Indian Ocean | R | 211 | 5 | Buffels River , Kwenxura River , Kwelera River , Gonubie River , Nahoon River | S | 610 | 7 | White Kei River ( above Xonxa Dam ) , Indwe River ( above Lubisi Dam ) , Swart Kei River ( above Klipplaat River confluence ) , Klipplaat River ( above Waterdown Dam ) , Oxkraal River ( above Oxkraal Dam ) , Thorn River , Thomas River , Tsomo River , Kwa-Qokwama River , Mbokotwa River , Kubisi River ( above Wriggleswade Dam ) , Toise River , Xilinxa River ( above Xilinxa Dam ) | T | 248 | 9 | Slang River , Xuka River , Mtata River ( above Mtata Dam ) , Tsitsa River , Pot River , Mooi River , Inxu River , Wildebees River , Gatberg River | Indian Ocean | U | 806 | 8 | Mgeni River , Mvoti River | Indian Ocean | V | 1,110 | 7 | Tugela River , Mooi River , Sundays River , Bushmans River | Indian Ocean

Example questions:
In which state is this drainage basin of South Africa river located that flows to the second largest of the world 's oceans ? | What is the meaning of the Zulu name of this drainage basin of South Africa river that flows to the third largest ocean in the world ? | Where is the source of this drainage basin of South Africa river located that flows into this river named in honor of the Dutch ruling family ? | Who first sighted this drainage basin of South Africa river that flows eastwards into this ocean covering 70,560,000 km2 ?

Answers:
the Western Cape Province | the river of entrance | Breyten | Vasco da Gama