CREATE TABLE table_21673 ("SNO" FLOAT, "College code" CLOB, "Faculty name" CLOB, "Designation" CLOB, "Qualification" CLOB, "Department" CLOB, "Experience" CLOB)

How many faculty members have 20 years of experience?
SELECT COUNT("Designation") FROM table_21673 WHERE "Experience" = '20 years'
SELECT COUNT("Designation") FROM "table_21673" WHERE "Experience" = '20 years'