Table: tallest_people
Columns: nationality
metric
imperial
name
lifespan

Question: what is the lifespan when the imperial height is 7ft 8 in and the nationality is fiji?
SQL: SELECT "lifespan" FROM tallest_people WHERE "imperial" = '7ft 8 in' AND "nationality" = 'fiji'

Question: what is the nationality with the metric height of 2.36m named sun ming-ming?
SQL: SELECT "nationality" FROM tallest_people WHERE "metric" = '2.36m' AND "name" = 'sun ming-ming'