CREATE TABLE table_17774 ("Sequencer" CLOB, "Ion Torrent PGM" CLOB, "454 GS FLX" CLOB, "HiSeq 2000" CLOB, "SOLiDv4" CLOB, "PacBio" CLOB, "Sanger 3730xl" CLOB)

How many times was Sanger 3730xl $2400 usd?
SELECT COUNT("Ion Torrent PGM") FROM table_17774 WHERE "Sanger 3730xl" = '$2400 USD'
SELECT COUNT("Ion Torrent PGM") FROM "table_17774" WHERE "Sanger 3730xl" = '$2400 USD'