Question: What Swiss American helped design the Ford Sierra

Context paragraphs:
Bob Lutz (businessman): Robert Anthony Lutz (born February 12, 1932) is a Swiss American automotive executive and a former Vice Chairman of General Motors.

Ford Endura-D engine: The Ford Endura-D engine is a 1,753cc inline-4 diesel power unit used in a variety of vehicles made by the Ford Motor Company, including the Ford Escort (Europe), Ford Focus, Ford Fiesta, Ford Mondeo, Ford Orion, Ford Sierra, Ford Transit Connect and Ford Ikon.

MK Indy: The MK Indy is a Lotus 7 replica based on the Locost principle, built by MK Sportscars in Maltby, Rotherham.  The Indy has an independent rear suspension using the differential and drive shafts from a Ford Sierra.  It uses many other components from the Sierra, including front hubs and steering rack.  Further, it can be fitted with any of a variety of engines, the most popular choices being the Ford Pinto engine from the Sierra for its ease and cheapness or a large motorcycle engine for its light weight and high rpm.

Ford Taurus (first generation): The first-generation Ford Taurus is an automobile that was produced by Ford as the first of six generations of the Ford Taurus.  Introduced in December 1985 as a 1986 model, the front-wheel drive Taurus was a very influential design that is credited with saving Ford from bankruptcy, bringing many innovations to the marketplace and starting the trend towards aerodynamic design for the American automakers in the North American market.  Ford of Europe had launched the 1980s move to aerodynamic design for the company with the 1982 Ford Sierra.

Ford CVH engine: The CVH ("Compound Valve angle Hemispherical combustion chamber") engine was introduced by Ford in 1980 in the third generation European Ford Escort and for the 1981 North American Escort.  It was later used in the Ford Sierra as well as the second generation Ford Fiesta and from 1983 it was used in the Ford Orion.  Engines were built in the Dearborn Engine Plant for the North American market, and in Ford's then-new engine plant in Bridgend in Wales for the European market.

Ford I4 DOHC engine: The Ford I4 DOHC engine was a 4-cylinder inline internal combustion engine with twin overhead camshafts, produced by the Ford Motor Company, at Dagenham Engine Plant.  First with 2.0-litre 8-valve version, in later models with 2.0/2.3-litre 16-valve version from 1989 to the end of production of the MK2 Ford Galaxy in 2006.  It powered various Ford models during this time, but was most well known in the rear wheel drive "Twin Cam" variants of the Ford Sierra, and Ford Scorpio.  Despite being built for the company's larger RWD models, Ford unusually employed the engine in the front wheel drive Galaxy and sport version of Escort named RS 2000 16v.

Ford Sierra RS Cosworth: The Ford Sierra RS Cosworth is a high-performance version of the Ford Sierra that was built by Ford Europe from 1986 to 1992.  It was the result of a Ford Motorsport project with the purpose of producing an outright winner for Group A racing in Europe.

Ford P100: The Ford P100 is a car-based pickup truck that was built by Ford from 1971 to 1993, initially in South Africa, and later Portugal.  It was based on medium-sized Ford passenger cars, originally the Ford Cortina and from 1988 the Ford Sierra.  Initially marketed as the Ford Cortina Pickup, the P100 name was adopted in 1982.  The P-100 name had previously been used on a small North American panel van in the 1960s.

Ford Type 9 transmission: Type 9 (also, Type N, T9, or T-9) is a gearbox from Ford that was used in Ford Capri 1.6, 2.0 1984 onwards, Capri 2.8 1983 onwards, Ford Sierra 1.6, 1.8, 2.0, Sierra XR4i,Sierra XR4x4 2.8 and the Scorpio 4x4 as well as the US market Merkur XR4Ti and Merkur Scorpio.

Ford Sierra: The Ford Sierra is a mid-size car or large family car that was built by Ford Europe from 1982 to 1993.  It was designed by Uwe Bahnsen, Robert Lutz and Patrick le Quément.  The code used during development was "Project Toni" Its name came from the Spanish word for mountain range.

Supporting paragraphs: Ford Sierra Bob Lutz (businessman)
Answer: Robert Anthony Lutz