CREATE TABLE table_28968 ("Species" CLOB, "Common Name" CLOB, "Protein Name" CLOB, "Accession Number" CLOB, "NT Length" CLOB, "NT Identity" CLOB, "AA Length" CLOB, "AA Identity" CLOB, "E-Value" CLOB)

What is the nt identity when the species is drosophilia melanogaster?
SELECT "NT Identity" FROM table_28968 WHERE "Species" = 'Drosophilia melanogaster'
SELECT "NT Identity" FROM "table_28968" WHERE "Species" = 'Drosophilia melanogaster'