###HUMAN: what is minimum age of patients whose primary disease is coronary artery disease\coronary artery bypass graft with mvr; ? maze and admission year is greater than or equal to 2146?, ###ASSISTANT: SELECT MIN(demographic.age) FROM demographic WHERE demographic.diagnosis = "CORONARY ARTERY DISEASE\CORONARY ARTERY BYPASS GRAFT WITH MVR; ? MAZE" AND demographic.admityear >= "2146"