in 1953, which of the institutions joined?
CREATE TABLE table_261895_1 (institution VARCHAR, joined VARCHAR)
SELECT institution FROM table_261895_1 WHERE joined = "1953"
### Context: CREATE TABLE table_261895_1 (institution VARCHAR, joined VARCHAR) ### Question: in 1953, which of the institutions joined? ### Answer: SELECT institution FROM table_261895_1 WHERE joined = "1953"