Question: WHAT ARE THE NAMES OF THE MENS DOUBLES WHEN THE WOMENS DOUBLES WAS Piret Hamer Helen Reino?
SQL: SELECT "Mens doubles" FROM "1-14903627-1" WHERE "Womens doubles" = 'Piret Hamer Helen Reino';

Question: WHAT IS THE NAME OF THE MENS DOUBLES PLAYER WHEN THE WOMENS DOUBLES PLAYER IS Helen Reino Kai-Riin Saluste?
SQL: SELECT "Mens doubles" FROM "1-14903627-1" WHERE "Womens doubles" = 'Helen Reino Kai-Riin Saluste';

Question: WHAT IS THE NAME OF THE MIXED DOUBLES PLAYER WHEN THE WOMENS SINGLE PLAYER IS Kairi Viilup?
SQL: SELECT "Mixed doubles" FROM "1-14903627-1" WHERE "Womens singles" = 'Kairi Viilup';

Question: HOW MANY YEARS DID MENS DOUBLES PLAYER Heiki Sorge Meelis Maiste PLAY?
SQL: SELECT COUNT("Year") FROM "1-14903627-1" WHERE "Mens doubles" = 'Heiki Sorge Meelis Maiste';