CREATE TABLE table_203_173 (id DECIMAL, "year ( s ) " TEXT, "serial name" TEXT, "role" TEXT, "co-star" TEXT, "note ( s ) " TEXT, "channel" TEXT)

what was the number of television shows that sharad kelkar co stared with keerti gaekwad ?
SELECT COUNT("serial name") FROM table_203_173 WHERE "co-star" = 'keerti gaekwad kelkar'
SELECT COUNT("serial name") FROM "table_203_173" WHERE "co-star" = 'keerti gaekwad kelkar'