Question: What Date had a Series of ATCC Round 6?
SQL: SELECT "Date" FROM "2-17670122-1" WHERE "Series" = 'ATCC Round 6';

Question: Who was the Winner in the AMC Round 4 at Lakeside International Raceway?
SQL: SELECT "Winner" FROM "2-17670122-1" WHERE "Circuit" = 'Lakeside International Raceway' AND "Series" = 'AMC Round 4';