What is the first year where the assassination attempt was at Martyrs' Mausoleum, Rangoon, Burma?
CREATE TABLE table_251272_4 (
    year INTEGER,
    location VARCHAR
)
SELECT MIN(year) FROM table_251272_4 WHERE location = "Martyrs' Mausoleum, Rangoon, Burma"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the first year where the assassination attempt was at Martyrs' Mausoleum, Rangoon, Burma? ### Input: CREATE TABLE table_251272_4 (
    year INTEGER,
    location VARCHAR
) ### Response: SELECT MIN(year) FROM table_251272_4 WHERE location = "Martyrs' Mausoleum, Rangoon, Burma"