Table: padma_shri_awards
Columns: year
name
field
state
country

Question: What was the average year when shri. shambu nath khajuria won the padma shri awards?
SQL: SELECT AVG("year") FROM padma_shri_awards WHERE "name" = 'shri. shambu nath khajuria'

Question: What is the total number of years that prof. aditya naraian purohit won?
SQL: SELECT COUNT("year") FROM padma_shri_awards WHERE "name" = 'prof. aditya naraian purohit'

Question: What is the sum of the years when the winner was prof. priyambada mohanty hejmadi from orissa?
SQL: SELECT SUM("year") FROM padma_shri_awards WHERE "state" = 'orissa' AND "name" = 'prof. priyambada mohanty hejmadi'