CREATE TABLE "list_of_hewitts_and_nuttalls_in_england" (
  "peak" text,
  "height_m" real,
  "prom_m" real,
  "class" text,
  "parent" text
);

Question: What is the average prom (m) when the height (m) is more than 733, the class is Hewitt, and the peak is Kirk Fell East Top?
SQL: SELECT AVG("prom_m") FROM "list_of_hewitts_and_nuttalls_in_england" WHERE "height_m">733 AND "class"='hewitt' AND "peak"='kirk fell east top';