CREATE TABLE table_22223 ("Enzyme" CLOB, "Location" CLOB, "Substrate" CLOB, "Product" CLOB, "Chromosome" CLOB, "EC" CLOB, "OMIM" FLOAT, "Porphyria" CLOB)

how many porphyria have substrate -aminolevulinic acid
SELECT COUNT("Porphyria") FROM table_22223 WHERE "Substrate" = 'δ-Aminolevulinic acid'
SELECT COUNT("Porphyria") FROM "table_22223" WHERE "Substrate" = 'δ-Aminolevulinic acid'