Table: taiwan_rankings
Columns: index
organization
year
rank
out_of

Question: What organization ranks 68?
SQL: SELECT "organization" FROM taiwan_rankings WHERE "rank" = '68'

Question: What year is the happy planet index?
SQL: SELECT SUM("year") FROM taiwan_rankings WHERE "index" = 'happy planet index'

Question: What year for the legatum institute?
SQL: SELECT "year" FROM taiwan_rankings WHERE "organization" = 'legatum institute'