Question: What team has a Yamaha constructor with All rounds?
SQL: SELECT "Team" FROM "2-15299235-15" WHERE "Rounds" = 'All' AND "Constructor" = 'Yamaha';

Question: What rounds did rider Mika Kallio with a Ducati constructor have?
SQL: SELECT "Rounds" FROM "2-15299235-15" WHERE "Constructor" = 'Ducati' AND "Rider" = 'Mika Kallio';

Question: Who is the rider of Scot Racing Team with a Honda constructor and rounds 6-17?
SQL: SELECT "Rider" FROM "2-15299235-15" WHERE "Constructor" = 'Honda' AND "Team" = 'Scot Racing Team' AND "Rounds" = '6-17';

Question: What is the rounds of rider Mika Kallio 1 of the Ducati Marlboro Team?
SQL: SELECT "Rounds" FROM "2-15299235-15" WHERE "Team" = 'Ducati Marlboro Team' AND "Rider" = 'Mika Kallio 1';