SELECT mens_singles FROM table_14903999_1 WHERE mens_doubles = "Sveinn Logi Sölvason Tryggvi Nilsen" AND womens_singles = "Elsa Nielsen"
Yang menang saat Singles tahun Sveinn Logi Sölvason Tryggvi Nilsen menang sementara Doubles dan Elsa Nielsen Won Singles Won
CREATE TABLE table_14903999_1 (mens_singles VARCHAR, mens_doubles VARCHAR, womens_singles VARCHAR)