Homes Under the Hammer: Series 27

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Homes Under the Hammer" Season 27.
Constraints:
Use ONLY provided SYNOPSIS and SOURCES.
No invented titles, names, dates, episode counts, awards, ratings, box-office, viewership, or plot points.
If a detail is not in the material, omit it.
Output: Valid JSON only.
Format: No markdown, no asterisks, no headings, no bullet points.
JSON Keys:
overview: 160-220 word factual summary of this season's narrative arc.
primer: Array of exactly 4 concise bullet points summarizing essential previous lore, character positions, and stakes.
TMDB Synopsis: "Series that explores and follows the transformations of properties bought at auction."
Source [1]: British renovation and auction series, originally on BBC One morning schedule.
Source [2]: British factual renovation and auction series on BBC One daytime schedule. Running since 17 November 2003. Presenters: Martin Roberts, Martel Maxwell, Dion Dublin, Jacqui Joseph, Tommy Walsh, Owai [cut off].
Source [3]: Cast and crew credits.
Source [4]: Main presenters Lucy Alexander and Martin Roberts. Series three had Marc Woodward and Jasmine Birtles.
Source [5]: Starring Martin Roberts, Lucy Alexander, and Dion Dublin.
Problem: The provided sources do not contain any information about "Season 27". They contain general information about the series, its history, and its presenters.
Constraint Check: "If a detail is not in the provided material, you omit it rather than guess." "Do not invent plot events or spoilers."
Overview Requirement: "factual 160-220 word summary of this season's narrative arc." Since there is no information about Season 27's narrative arc in the sources, I cannot write a 160-220 word summary of it without violating the "no inventing" rule.
Primer Requirement: "exactly 4 concise bullet points summarizing essential previous lore, character positions, and stakes needed before starting this season." I can extract general series information to serve as a primer.
Wait, if I cannot fulfill the word count for the overview because the information is missing, what should I do?
The prompt says: "If a detail is not in the provided material, you omit it rather than guess."
If I