CREATE TABLE table_37608 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Attendance" FLOAT, "Record" CLOB)

What's the loss of the game with the opponent of the Nationals with a score of 7-1?
SELECT "Loss" FROM table_37608 WHERE "Opponent" = 'nationals' AND "Score" = '7-1'
SELECT "Loss" FROM "table_37608" WHERE "Opponent" = 'nationals' AND "Score" = '7-1'