CREATE TABLE table_29342 ("Genus/Species" TEXT, "Gene Name" TEXT, "Accession number" TEXT, "Sequence Length" TEXT, "Sequence similarity" FLOAT)

Name the accession number for sequence similarity being 54
SELECT "Accession number" FROM table_29342 WHERE "Sequence similarity" = '54'
SELECT "Accession number" FROM "table_29342" WHERE "Sequence similarity" = '54'