CREATE TABLE "list" (
  "president" text,
  "date_of_birth" text,
  "date_of_inauguration" text,
  "age_at_inauguration" text,
  "end_of_term" text,
  "length_of_retirement" text,
  "date_of_death" text,
  "lifespan" text
);

Question: What was the date of the inauguration in the row with an entry of lifespan in the lifespan column?
SQL: SELECT "date_of_inauguration" FROM "list" WHERE "lifespan"='lifespan';

Question: What was the date of death entry in the row that has a date of inauguration entry of date of inauguration?
SQL: SELECT "date_of_death" FROM "list" WHERE "date_of_inauguration"='date of inauguration';

Question: What is the length of retirement for president Sharma, Shankar Shankar Dayal Sharma?
SQL: SELECT "length_of_retirement" FROM "list" WHERE "president"='sharma, shankar shankar dayal sharma';