Explanation:

- Option 1, 10: In many traditional team sports including youth or informal games, 10 might be a team number, but not for professional field hockey games.

- Option 2, 16: This number represents the total players allowed on a team roster in international hockey tournaments, covering substitutes as well.

- Option 3, 12: This might reflect a number in modified versions of hockey, like with smaller teams or non-traditional rules.

- Option 4, 11: In a standard field hockey game, each team fields 11 players at a time, including the goalkeeper.