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_127511_1 (ion_torrent_pgm VARCHAR, sanger_3730xl VARCHAR)
### Question:
How many times was Sanger 3730xl $2400 usd?
### Answer:
SELECT COUNT(ion_torrent_pgm) FROM table_127511_1 WHERE sanger_3730xl = "$2400 USD"