Table: ukr_election_2007
Columns: region
voter_registration
voter_turnout
byut
ou_psd

Question: What is the lower turnout that has a byut of 50.7 and an ou psd smaller than 36.8?
SQL: SELECT MIN("voter_turnout") FROM ukr_election_2007 WHERE "byut" = 50.7 AND "ou_psd" < 36.8

Question: What is the voter registration that has a BYut of 48.2?
SQL: SELECT COUNT("voter_registration") FROM ukr_election_2007 WHERE "byut" = 48.2