CREATE TABLE table_33371 ("Year" FLOAT, "Network" TEXT, "Play-by-play" TEXT, "Color commentator ( s ) " TEXT, "Sideline reporter ( s ) " TEXT)

What's the earliest year that Al Michaels was the play-by-play commentator, in which Lesley Visser and Dan Fouts were also sideline reporters?
SELECT MIN("Year") FROM table_33371 WHERE "Play-by-play" = 'al michaels' AND "Sideline reporter(s)" = 'lesley visser and dan fouts'
SELECT MIN("Year") FROM "table_33371" WHERE "Play-by-play" = 'al michaels' AND "Sideline reporter(s)" = 'lesley visser and dan fouts'