user: Question: What is the authority of the scientific name of O. tricuspis?
Columns: ['Scientic name', 'Common name', 'Authority', 'Year', 'Subgenus']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['O. acares', 'redspotted stream crayfish', 'Fitzpatrick', 1965.0, 'Procericambarus']
SQL:

assistant: SELECT "Authority" FROM "Table" WHERE "Scientic name" = 'O. tricuspis';