Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How many different play-by-play announcers also had pregame analysis by Darren Flutie, Eric Tillman and Greg Frers?

### Inputs:
table_name: table, columns: ['Year', 'Network', 'Play-by-play', 'Colour commentator(s)', 'Sideline reporters', 'Pregame host', 'Pregame analysts']

### Response:
SELECT COUNT Play-by-play FROM table WHERE Pregame analysts = Darren Flutie, Eric Tillman and Greg Frers