Table: england_peaks
Columns: peak
height_m
prom_m
class
parent

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 england_peaks WHERE "height_m" > 733 AND "class" = 'hewitt' AND "peak" = 'kirk fell east top'