Question: "The Dirty Half Dozen", the nineteenth episode of the second season of an American television series based on what Marvel Comics organization, a fictional espionage, special law-enforcement, and counter-terrorism agency appearing in American comic books published by Marvel Comics?
Sentence (from "The Dirty Half Dozen"): "The Dirty Half Dozen" is the nineteenth episode of the second season of the American television series "Agents of S.H.I.E.L.D.", based on the Marvel Comics organization S.H.I.E.L.D. (Strategic Homeland Intervention, Enforcement and Logistics Division), revolving around the character of Phil Coulson and his team of S.H.I.E.L.D. agents as they infiltrate a Hydra base to rescue two of their kidnapped allies.
Relevant evidence: Yes