text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_30108346_1 (number_of_troops VARCHAR, troops_per_$1_billion___usd___gdp VARCHAR)
  ### Question:
  Name the number of troops for troops per $1 billion being 2.45
  ### Answer:
  SELECT COUNT(number_of_troops) FROM table_30108346_1 WHERE troops_per_$1_billion___usd___gdp = "2.45"