CREATE TABLE table_56783 ("Driver" TEXT, "Constructor" TEXT, "Laps" TEXT, "Time/Retired" TEXT, "Grid" TEXT)

What is the Time/Retired value of driver Pedro Diniz?
SELECT "Time/Retired" FROM table_56783 WHERE "Driver" = 'pedro diniz'
SELECT "Time/Retired" FROM "table_56783" WHERE "Driver" = 'pedro diniz'