CREATE TABLE table_1874 ("Species" TEXT, "Common name" TEXT, "Trinidad" TEXT, "Tobago" TEXT, "Bocas Is." TEXT, "Other" TEXT)

are in tobago species liophis cobellus cobellus?
SELECT "Tobago" FROM table_1874 WHERE "Species" = 'Liophis cobellus cobellus'
SELECT "Tobago" FROM "table_1874" WHERE "Species" = 'Liophis cobellus cobellus'