user: ### NOW ANSWER:
Question: What is 454 gs flx when pacbio is 100-500 Mb?
Columns: ['Sequencer', 'Ion Torrent PGM', '454 GS FLX', 'HiSeq 2000', 'SOLiDv4', 'PacBio', 'Sanger 3730xl']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Manufacturer', 'Ion Torrent (Life Technologies)', '454 Life Sciences (Roche)', 'Illumina', 'Applied Biosystems (Life Technologies)', 'Pacific Biosciences', 'Applied Biosystems (Life Technologies)']
SQL:

assistant: SELECT "454 GS FLX" FROM "Table" WHERE "PacBio" = '100-500 Mb';