SCHEMA:
CREATE TABLE table_name_62 (voter_turnout INTEGER, byut VARCHAR, ou_psd VARCHAR)
USER:
What is the lower turnout that has a byut of 50.7 and an ou psd smaller than 36.8?

QUERY:
SELECT MIN(voter_turnout) FROM table_name_62 WHERE byut = 50.7 AND ou_psd < 36.8