Question: In what year was the italian luxury fashion house, that Madonna collaborated with to produce sunglasses, founded?

Context paragraphs:
Versus (Versace): Versus Versace is the diffusion line of Italian luxury fashion house Versace.  It began in 1989 as the first diffusion lines by the house, a gift by the founder Gianni Versace to his sister, Donatella Versace.  After closing in 2005, Donatella resurrected it in 2009 with a capsule collection of accessories designed by emerging British designer Christopher Kane.  The brand is now very famous for its stylish watches, leather accessories and chic ready-to-wear.

Madonna fashion brands: American entertainer Madonna has produced four fashion brands, beginning with a clothing range for fashion store H&M in March 2007.  She later created an enterprise, MG Icon LLC, a joint venture with her manager Guy Oseary and Iconix Brand Group which produces her lifestyle brands "Material Girl" and "Truth or Dare by Madonna".  She also collaborated with Dolce & Gabbana on a range of sunglasses which marked the first co-branded collaboration that the design duo has ever undertaken.

Scappino (fashion house): Scappino (] ) is an Italian luxury fashion house created in 1914 by Domenico Scappino in Turin, Italy, specialized in silk products like ready-to-wear, ties, shoes, watches, jewellery, accessories, sunglasses, fragances, etc. and it is known as one of the best fine silk producers in the world.

Sealup: Sealup is an Italian luxury fashion house, specializing in the manufacturing high-end outdoor jackets and raincoats.

Dolce &amp; Gabbana: Dolce & Gabbana (] ) is an Italian luxury fashion house founded in 1985 in Legnano by Italian designers Domenico Dolce and Stefano Gabbana.

Ermenegildo Zegna: Ermenegildo Zegna (] ) (often abbreviated and known simply as Zegna) is an Italian luxury fashion house that makes men's clothing and accessories.  Founded in 1910 when Ermenegildo bought his father's textile looms, it is now managed by the fourth generation of the Zegna family and remains in family ownership.  As well as producing men's suits for its own labels, it also manufactures suits for Gucci, Yves Saint Laurent, Dunhill and Tom Ford.  As one of the biggest global producers of fine fabrics (2.3 million metres per year), Zegna has been active in promoting improvements in wool production around the world.  Zegna is the largest menswear brand in the world by revenue.  Alessandro Sartori oversees creative direction for all departments of the brand.

Prada: Prada S.p.A. ( ; ] ) is an Italian luxury fashion house, specializing in leather handbags, travel accessories, shoes, ready-to-wear, perfumes and other fashion accessories, founded in 1913 by Mario Prada.

Moschino: Moschino (] ) is an Italian luxury fashion house, specializing in ready-to-wear, leather and fashion accessories, shoes, luggage, perfume etc., founded in 1983 by Franco Moschino.  Moschino is often pronounced in English as MOS-CHI-NO, when in fact the correct pronunciation is MOS-KEE-NO

Fendi: Fendi (] ) is an Italian luxury fashion house whose specialities include fur, ready-to-wear, leather goods, shoes, fragrances, eyewear, timepieces and accessories.  Founded in 1925 in Rome, Fendi is renowned for its fur and fur accessories.  Fendi is also well known for its leather goods such as "Baguette", 2jours, Peekaboo or Pequin handbags.

Burberry: Burberry Group plc, is a British luxury fashion house headquartered in London, England.  Its main fashion house focuses on and distributes trench coats, ready-to-wear outerwear, fashion accessories, fragrances, sunglasses, and cosmetics.

Supporting paragraphs: Madonna fashion brands Dolce &amp; Gabbana
Answer: 1985