Question: What was the result in 1973 when the surface was Clay?
SQL: SELECT "Outcome" FROM "2-177273-2" WHERE "Year" = 1973.0 AND "Surface" = 'Clay';

Question: Who was Margaret Court's opponent on Clay in 1975?
SQL: SELECT "Opponents" FROM "2-177273-2" WHERE "Surface" = 'Clay' AND "Partner" = 'Margaret Court' AND "Year" = 1975.0;