Question: Maasbracht is the birthplace of a Dutch former professional footballer who was born in what year?

Context paragraphs:
Maasbracht: Maasbracht ( ) is a town in the southeastern Netherlands.  It was a separate municipality until January 1, 2007, when it became a part of the new municipality of Maasgouw.  Football player Mark van Bommel was born in Maasbracht.

Mark van Bommel: Mark Peter Gertruda Andreas van Bommel (] ; born 22 April 1977) is a Dutch former professional footballer.

Rick Kruys: Rick Kruijs, commonly known as Rick Kruys, (born 9 May 1985 in Utrecht) is a Dutch former professional footballer who played as a midfielder.  His father, Gert Kruys, was a former professional football player as well, currently working as a manager in Dutch football.

Daan van Dinter: Daan van Dinter (born 12 January 1989) is a Dutch former professional footballer who currently plays for Dutch amateur side Oisterwijk.

Sjoerd Winkens: Sjoerd Winkens (born 4 May 1983 in Geleen) is a Dutch former professional footballer who played as a left Back.  Winkens started his career with MVV Maastricht.  He played two seasons for Helmond Sport, but he returned to MVV after two years.In June 2014, he retired from professional football.

Marcel Seip: Marcel Seip (] ; born 5 April 1982) is a Dutch former professional footballer who plays as a centre back for ACV in the Dutch Hoofdklasse.  He previously played for Veendam, Heerenveen, Plymouth Argyle, Blackpool, Sheffield United, Charlton Athletic, Bradford City, VVV Venlo, Central Coast Mariners and FC Emmen.

Edwin van der Sar: Edwin van der Sar OON (] ) (born 29 October 1970) is a Dutch former professional footballer who played as a goalkeeper.  During his career he played for Ajax, Juventus, Fulham and Manchester United.  He is the second most capped player in the Netherlands national team's history.  He currently works as the chief executive officer at Ajax.  He came out of retirement to play for Dutch amateur team VV Noordwijk.

Bud Brocken: Budde Jan Peter Maria "Bud" Brocken (born 12 September 1957) is a Dutch former professional footballer who played for Willem II, Birmingham City, FC Groningen and FC Den Bosch, as well as the Dutch national team, as a winger.

Jordi Bitter: Jordi Bitter (born 19 January 1994) is a Dutch former professional footballer, who plays for Dutch amateur side DTS.

Lars Gulpen: Lars Gulpen (born 4 July 1993 in Nijswiller) is a Dutch former professional footballer who played as a midfielder for Fortuna Sittard in the Dutch Eerste Divisie.

Supporting paragraphs: Maasbracht Mark van Bommel
Answer: 1977