CREATE TABLE table_38941 ("Team" TEXT, "Constructor" TEXT, "Motorcycle" TEXT, "Rider" TEXT, "Rounds" TEXT)

What is the rounds of rider Mika Kallio 1 of the Ducati Marlboro team?
SELECT "Rounds" FROM table_38941 WHERE "Team" = 'ducati marlboro team' AND "Rider" = 'mika kallio 1'
SELECT "Rounds" FROM "table_38941" WHERE "Rider" = 'mika kallio 1' AND "Team" = 'ducati marlboro team'