CREATE TABLE table_name_11 (round INT, weight_class VARCHAR, card VARCHAR)

What is the smallest round for the welterweight class with a preliminary card?
SELECT MIN(round) FROM table_name_11 WHERE weight_class = "welterweight" AND card = "preliminary"
SELECT MIN("round") FROM "table_name_11" WHERE "card" = "preliminary" AND "weight_class" = "welterweight"