CREATE TABLE table_17775 ("Sequencer" TEXT, "Ion Torrent PGM" TEXT, "454 GS FLX" TEXT, "HiSeq 2000" TEXT, "SOLiDv4" TEXT, "PacBio" TEXT, "Sanger 3730xl" TEXT)

How much was solidv4 when pacbio is $300 usd?
SELECT "SOLiDv4" FROM table_17775 WHERE "PacBio" = '$300 USD'
SELECT "SOLiDv4" FROM "table_17775" WHERE "PacBio" = '$300 USD'