Table: marine_drugs
Columns: clinical_status
compound_name
trademark
marine_organism
chemical_class
molecular_target
clinical_trials
disease_area

Question: What is the molecular target of bacterium?
SQL: SELECT "molecular_target" FROM marine_drugs WHERE "marine_organism" = 'bacterium'

Question: What is the organism that has a disease area of cancer and has 4/4 clinical trial b?
SQL: SELECT "marine_organism" FROM marine_drugs WHERE "disease_area" = 'cancer' AND "clinical_trials" = '4/4'

Question: What is the molecular target of the organism that has a disease area of antiviral?
SQL: SELECT "molecular_target" FROM marine_drugs WHERE "disease_area" = 'antiviral'