human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Region, Population, Country, Language, N, Total%, R1b1c (R-V88), R1b1a2 (R-M269), R1b1c* (R-V88*), R1b1c4 (R-V69)
###Question: What percentage is listed in column r1b1a2 (r-m269) for the 77.8% r1b1c (r-v88)?
gpt
SELECT R1b1a2 (R-M269) FROM table WHERE R1b1c (R-V88) = 77.8%