CREATE TABLE table_name_76 (fastest_lap VARCHAR, winning_team VARCHAR, circuit VARCHAR)

What is the fastest lap of the Oschersleben circuit with Audi Sport Team ABT as the winning team?
SELECT fastest_lap FROM table_name_76 WHERE winning_team = "audi sport team abt" AND circuit = "oschersleben"
SELECT "fastest_lap" FROM "table_name_76" WHERE "audi sport team abt" = "winning_team" AND "circuit" = "oschersleben"