user: Question: For the group with 1.92% population in 1981, what was their percentage of the population in 1971?
Columns: ['Religious group', 'Population % 1961', 'Population % 1971', 'Population % 1981', 'Population % 1991', 'Population % 2001']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Hindu', '83.45%', '82.73%', '82.30%', '81.53%', '80.46%']
SQL:

assistant: SELECT "Population % 1971" FROM "Table" WHERE "Population % 1981" = '1.92%';