CREATE TABLE table_train_195 ("id" INT, "gender" TEXT, "pregnancy_or_lactation" BOOLEAN, "allergy_to_perflutren" BOOLEAN, "heart_disease" BOOLEAN, "body_mass_index_bmi" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

pregnant or breastfeeding.
SELECT * FROM table_train_195 WHERE pregnancy_or_lactation = 1
SELECT * FROM "table_train_195" WHERE "pregnancy_or_lactation" = 1