user: Question: What is the total number of Rounds held in nevada, united states in which the time was 1:55?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '20-10-1 (2)', 'Andrei Arlovski', 'Decision (unanimous)', 'WSOF 5', 3.0, '5:00', 'Atlantic City, New Jersey , United States']
SQL:

assistant: SELECT SUM("Round") FROM "Table" WHERE "Location" = 'nevada, united states' AND "Time" = '1:55';