TurboTax for Home Mortgage - what date to use for "when did you buy the home" for Construction Loan. Purchased home in 1997, scraped lot and re-certified home Jan-2022 ?

Original purchase of home May 1996
Construction Loan Oct-2019
Tore down home late Nov-2019
Cert of Occupancy in Jan-2022
Rolled over to Conventional Loan Feb-2022
What date do we give for our current mortgage for "when did you buy the home" ???
Original Home Purchase date of May-1996