instruction: how many people have had microbiological tests in their wound, decubitus in 2104?
response: SELECT COUNT(DISTINCT patient.uniquepid) FROM patient WHERE patient.patientunitstayid IN (SELECT microlab.patientunitstayid FROM microlab WHERE microlab.culturesite = 'wound, decubitus' AND STRFTIME('%y', microlab.culturetakentime) = '2104')