CREATE TABLE table_25691838_8 (introductory_phrase VARCHAR2, guest VARCHAR2)

How many introductory phrases were there on David Finkel's guest episode?
SELECT COUNT(introductory_phrase) FROM table_25691838_8 WHERE guest = "David Finkel"
SELECT COUNT("introductory_phrase") FROM "table_25691838_8" WHERE "David Finkel" = "guest"