CREATE TABLE table_36828 ("Title" TEXT, "Genre" TEXT, "C = 64" TEXT, "ZX Spectrum" TEXT, "Others" TEXT, "Year" FLOAT, "Format" TEXT)

Which ZX Spectrum has a C=64 of c64, and a Title of ankh?
SELECT "ZX Spectrum" FROM table_36828 WHERE "C=64" = 'c64' AND "Title" = 'ankh'
SELECT "ZX Spectrum" FROM "table_36828" WHERE "C=64" = 'c64' AND "Title" = 'ankh'