CREATE TABLE table_11698 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT, "Driver" TEXT, "Rounds" TEXT)

What was the constructor for jo bonnier of 6 rounds?
SELECT "Constructor" FROM table_11698 WHERE "Entrant" = 'jo bonnier' AND "Rounds" = '6'
SELECT "Constructor" FROM "table_11698" WHERE "Entrant" = 'jo bonnier' AND "Rounds" = '6'