CREATE TABLE table_32539 ("Pool" TEXT, "Age Group" TEXT, "Time" TEXT, "Event" TEXT, "Date" TEXT)

What date did the 90-94 year old have a tie of 1:25.91 at the LC pool?
SELECT "Date" FROM table_32539 WHERE "Age Group" = '90-94' AND "Pool" = 'lc' AND "Time" = '1:25.91'
SELECT "Date" FROM "table_32539" WHERE "Age Group" = '90-94' AND "Pool" = 'lc' AND "Time" = '1:25.91'