Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_56 (play_by_play VARCHAR, year VARCHAR, network VARCHAR)

### Question ###
Who did the play-by-play before 1998 on Fox network?

### Accurate SQL ###

SELECT play_by_play FROM table_name_56 WHERE year < 1998 AND network = "fox"