CREATE TABLE table_25322130_3 (fastest_lap VARCHAR2, winning_team VARCHAR2, circuit VARCHAR2)

Name the fastest lap for piquet sports and silverstone
SELECT fastest_lap FROM table_25322130_3 WHERE winning_team = "Piquet Sports" AND circuit = "Silverstone"
SELECT "fastest_lap" FROM "table_25322130_3" WHERE "Piquet Sports" = "winning_team" AND "Silverstone" = "circuit"