user: Question: 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?
Columns: ['Year', 'Network', 'Play-by-play', 'Color commentator(s)', 'Sideline reporter(s)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1990.0, 'ESPN', 'Mike Patrick', 'Joe Theismann', 'Chris Berman']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Play-by-play" = 'Al Michaels' AND "Sideline reporter(s)" = 'Lesley Visser and Dan Fouts';