user: Question: Who did the play-by-play before 1998 on Fox network?
Columns: ['Year', 'Network', 'Play-by-play', 'Color commentator(s)', 'Ice level reporters']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1999.0, 'Fox', 'Mike Emrick', 'John Davidson', 'Joe Micheletti']
SQL:

assistant: SELECT "Play-by-play" FROM "Table" WHERE "Year" < 1998.0 AND "Network" = 'Fox';