Я бы сделал так :-)
={
IFERROR(query( '2020/01'!A1:F99; " SELECT * WHERE (Col1 = "&J1&")" );{ J1 \ 0 \ "2020/01" });
IFERROR(query( '2020/02'!A1:F99; " SELECT * WHERE (Col1 = "&J1&")" );{ J1 \ 0 \ "2020/02" });
IFERROR(query( '2020/03'!A1:F99; " SELECT * WHERE (Col1 = "&J1&")" );{ J1 \ 0 \ "2020/03" })
}
