Table: assassin_attempts
Columns: year
date
intended_victim_s
title_at_the_time
location
would_be_assassin_s
method
initial_outcome_notes

Question: What is the first year where the assassination attempt was at Martyrs' Mausoleum, Rangoon, Burma?
SQL: SELECT MIN("year") FROM assassin_attempts WHERE "location" = 'Martyrs'' Mausoleum, Rangoon, Burma'

Question: Where was the attempt on the Prime Minister of Sri Lanka's life made?
SQL: SELECT "location" FROM assassin_attempts WHERE "title_at_the_time" = 'Prime Minister of Sri Lanka'