Question: 997 is the internal designation for the Porsche 911 model manufactured and sold by German manufacturer Porsche between 2004 (as Model Year 2005) and 2012, Targa versions of the Carrera 4 and Carrera 4S were also available, which carry on with the "glass canopy" roof design used on all Targa 911s from the Type 993 Generation 911 until the 991, which replaced it in 2012, 993 is the company's internal name for the version of the Porsche 911 model manufactured and sold between late 1993, and early of what year?
Sentence (from "Porsche 993"): The book "Porsche 993 - Essential Companion" refers to the 993 as the "King of Porsche," and it is generally acknowledged as "The purists' Holy Grail."
Relevant evidence: No