CREATE TABLE table_202_143 (id DECIMAL, "pos" TEXT, "no" DECIMAL, "driver" TEXT, "constructor" TEXT, "laps" DECIMAL, "time/retired" TEXT, "grid" DECIMAL, "points" DECIMAL)

how long did it take michael schumacher to finish the race ?
SELECT "time/retired" FROM table_202_143 WHERE "driver" = 'michael schumacher'
SELECT "time/retired" FROM "table_202_143" WHERE "driver" = 'michael schumacher'