Question: Name the winner for 29 March
SQL: SELECT "Winning driver" FROM "2-1140085-7" WHERE "Date" = '29 March';

Question: Name the report for circuit of Kyalami for South African Republic Trophy
SQL: SELECT "Report" FROM "2-1140085-7" WHERE "Circuit" = 'Kyalami' AND "Race Name" = 'South African Republic Trophy';