question: Who directed the movie Bloody Wednesday which chronicles the San Ysidro McDonald's massacre in San Diego?
answer: Mark G. Gilhuis
context: Title: San Ysidro Transit Center
  Passage: San Ysidro Transit Center is a San Diego Trolley station on the Blue Line and the southern terminus for this line.  The previous station northwest is Beyer Boulevard.  South of this station is the San Ysidro Port of Entry at the Mexico–United States border.  The station serves primarily as a way to provide access to downtown for the thousands of international commuters and tourists who travel between San Diego County and Tijuana, Mexico.  Its secondary purpose is to provide access to the large shopping areas, including the Las Americas Premium Outlets which are connected to the stop via a pedestrian walkway.  An intercity bus station is located adjacent to the station.
  Title: San Ysidro McDonald's massacre
  Passage: The San Ysidro McDonald's massacre was a mass shooting that occurred in and around a McDonald's restaurant in the San Diego neighborhood of San Ysidro on July 18, 1984.  The perpetrator, 41-year-old James Huberty, shot and killed 21 people and injured 19 others before being fatally shot by a SWAT team sniper.
  Title: San Ysidro Port of Entry
  Passage: The San Ysidro Port of Entry is the largest land border crossing between San Diego and Tijuana, and the busiest land border crossing in the world.  It connects Mexican Federal Highway 1 with Interstate 5 on the U.S. side.  The San Ysidro Port of Entry is one of three ports of entry in the San Diego–Tijuana metropolitan region.
  Title: San Ysidro, San Diego
  Passage: San Ysidro (] ) is a district of the City of San Diego, immediately north of the U.S.-Mexico border.  It neighbors Otay Mesa West to the north, Otay Mesa to the east, and Nestor and the Tijuana River Valley to the west; together these communities form South San Diego, a pene-exclave of the City of San Diego, thus making it possible to travel (by water) between central San Diego and South San Diego without ever leaving the city limits.  Major thoroughfares include Beyer Boulevard and San Ysidro Boulevard.
  Title: Bloody Wednesday (film)
  Passage: Bloody Wednesday is a thriller movie based on the events of the San Ysidro McDonald's massacre and was directed by Mark G. Gilhuis.
  Title: San Ysidro Mountains
  Passage: The San Ysidro Mountains are a mountain range in southern San Diego County, California.  The range extends for a short distance into Baja California.  The San Ysidro Mountains are part of the Peninsular Ranges System.
  Title: Las Americas Premium Outlets
  Passage: Las Americas Premium Outlets is a 560000 sqft outlet mall in San Ysidro, San Diego, California located directly on the Mexico-United States border just west of the San Ysidro Port of Entry at the new PedWest crossing from Tijuana to Virginia Avenue on the U.S. side.
citations: San Ysidro McDonald's massacre Bloody Wednesday (film)