Title: Andy Irons
Content: "I'm a little overwhelmed right now, but I want to dedicate this to Andy... It's like exact opposites. This doesn't really offset that, I'd give this title away in a second if Andy could come back." Irons died on November 2, 2010. He was found lying in bed on his back with the sheets pulled up to his chin by two hotel staff after he had failed to respond to knocks on the door and they went in to investigate. The Tarrant County Medical Examiner's Office concludes that Irons died from a cardiac arrest due to a severe blockage of a main artery of the heart. 
Title: Andy Irons
Content:  "paddle out" memorial service for Irons. Irons had withdrawn from the event citing ill health and was flying back to his home in Hawaii during a stopover in Grapevine, Texas, near Dallas-Fort Worth International Airport. He had reportedly stopped in Miami after leaving Puerto Rico, and early reports said he was put on a saline drip. He was reported to have been vomiting on the Hawaii-bound plane before being removed prior to takeoff. In the days immediately following his death, it was reported that in Dallas, an extremely ill Irons had attempted to board his connecting flight to Honolulu at 11:30 a.m. but was turned 
Title: Andy Irons
Content:  Irons married Lyndie Dupuis on November 25, 2007, in Princeville, Kauai. She was seven months pregnant with their first child at the time of his death. Lyndie gave birth to their son, Andy Axel Irons, in Kauai on the opening day of the Pipeline Masters in Memory of Andy Irons on December 8, 2010. Lyndie and Axel continue to live on Kauai, where she and Andy shared a home.
Title: James Anderson Irons
Content:  Irons died on July 20, 1921, in Sant'Agnello di Sorrento, Italy.
Title: Andy Irons
Content:  at an American Airlines gate—a claim the company denies. A memorial service was held November 14, 2010, in Hanalei Bay, Kauai. His wife, Lyndie, and brother, Bruce, scattered his ashes outside Hanalei Bay, where thousands of family, friends, and admirers said their last goodbyes. Friend and rival surfer Kelly Slater dedicated his November 6, 2010, victory to Irons. "I just want to send my condolences to Andy's family," Slater said: Slater also wrote a candid remembrance honoring the life of Andy Irons on the anniversary of his death; it was also the same day that Slater claimed his 11th ASP World Title in San Francisco.
Title: Gene Anderson
Content:  Anderson died of a sudden heart attack on October 31, 1991 while attending a law enforcement training event in Huntersville, North Carolina.
Title: Billy Anderson (quarterback)
Content:  He died on April 11, 1996 of amyotrophic lateral sclerosis (known popularly as Lou Gehrig's disease).
Title: Richard John Andrews
Content:  general manager. Andrews died at the garage on 16 January 1923. He was sharpening a chisel on an electric-powered abrasive wheel when it broke and a piece of the wheel struck him in the chest, rupturing his heart. The owner of a neighbouring engineering business had heard the motor start and then a loud thud; upon investigating he found Andrews lying next to the wheel with the chisel still clasped in his hand. A Home Office inspector found the wheel had been improperly mounted, the coroner recorded a verdict of death by misadventure. Andrews' death led to the closure of the Ex-Officers' Automobile Service. He left an estate valued at £1,239 and 15 shillings. He left a shilling to each of his four sisters and the remainder of his estate to an Edith Ricketts "for her faithful and devoted friendship".
Title: Harry Anderson
Content:  In late January 2018, Anderson had a bout of influenza, and subsequently suffered several strokes. On April 16, 2018, he died in his sleep of a stroke due to influenza and heart disease at his home in Asheville, North Carolina, at the age of 65.
Title: Andrew Anderson, Lord Anderson
Content:  Anderson died aged 73 at home, 9 Great King Street in Edinburgh late on the evening of Wednesday 27 May 1936 from bronchial pneumonia. Despite having been unwell for some time he persevered with his duties on the bench until a few days before he died. He is buried against the north wall of the 20th century extension to Dean Cemetery in western Edinburgh with his wife, Agnes Catherine MacKay (d.1952).

Question: what did andy irons die from?
Answer: Myocardial infarction.