CREATE TABLE "1998" (
  "year" real,
  "name" text,
  "field" text,
  "state" text,
  "country" text
);

Question: What was the average year when shri. shambu nath khajuria won the padma shri awards?
SQL: SELECT AVG("year") FROM "1998" 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 "1998" 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 "1998" WHERE "state"='orissa' AND "name"='prof. priyambada mohanty hejmadi';