CREATE TABLE table_13950 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

who is the opponent in the final when the tournament is cagnes-sur-mer?
SELECT "Opponent in the final" FROM table_13950 WHERE "Tournament" = 'cagnes-sur-mer'
SELECT "Opponent in the final" FROM "table_13950" WHERE "Tournament" = 'cagnes-sur-mer'