Table: uganda_human_rights
Columns: year
political_rights
civil_liberties
status
president

Question: When the president was Yoweri Museveni, and the year was 1993, with rank of 6 under political rights, what was the total of civil liberties?
SQL: SELECT SUM("civil_liberties") FROM uganda_human_rights WHERE "political_rights" = 6 AND "president" = 'yoweri museveni' AND "year" = 1993

Question: What is the year average when not free was the status, and less than 7 was the civil liberties, and less than 6 political rights?
SQL: SELECT AVG("year") FROM uganda_human_rights WHERE "status" = 'not free' AND "civil_liberties" < 7 AND "political_rights" < 6

Question: What is the least political rights rank in 1976?
SQL: SELECT MIN("political_rights") FROM uganda_human_rights WHERE "year" = 1976