CREATE TABLE table_74120 ("Program" TEXT, "Exercise" TEXT, "Week" TEXT, "Muscles Worked" TEXT, "Type" TEXT, "Ab Ripper X" TEXT, "Length" TEXT, "Equipment" TEXT)

How many types are cardio?
SELECT COUNT("Program") FROM table_74120 WHERE "Type" = 'Cardio'
SELECT COUNT("Program") FROM "table_74120" WHERE "Type" = 'Cardio'