Table:
text: List of Elvis Presley hit singles
1968–1977
1968–1977
Year_ BB_Pop BB_CW BB_EL CB_CW RIAA
1975 20/ 14/ 1 / 14/ –
1975 35/ 11/ –/42 18/ –
1975 65/ –/33 – –/32 –
1976 28 6 /45 7 – –
1976 31 1 2 1 –
1977 18/ 1 14 1 P
1977 22/ 2 / 6 / 1 G

text: List of Elvis Presley hit singles
1968–1977
1968–1977
Year_ BB_Pop BB_CW BB_EL CB_CW RIAA
1970 11 56 1 39 G
1970 21 23/ 9 2 5 G
1971 33 55 18 – –
1971 53/ 34/ 8 / 26/ –
1971 36/ – 2 / – –
1971 51/ – 19/ – –
1972 40/ 68/ 9 / – –
1972 66/ – 31/ – –
1972 2 / –/36 –/ 9 –/23 P
1972 20/ 16 3 / 30 G
1973 17 31 –/12 30 –
1973 41 –/42 27 – –
1974 39 4 27 7 –
1974 17/ –/ 6 6 –/ 4 –
1974 14/ –/ 9 –/ 8 –/ 9 –

text: List of Elvis Presley hit singles
1968–1977
1968–1977
Year_ BB_Pop BB_CW BB_EL CB_CW RIAA
1968 43/ – – – –
1968 28/67 55/ – – –
1968 90/106 – – – –
1968 71/72 –/50 – – –
1968 69/95 – – – –
1968 12/112 – – – G
1969 35/ 56/ 7 / – –
1969 101/ – – – –
1969 3 / 60/ 8 / – P
1969 35/ 74/ 37/ – G
1969 1 / – 4 / – P
1969 6 13/ 3 – P
1970 16/ 31/ 3 / 22/ G
1970 9 37 1 31 G
1970 32 57 5 30 G

Question: What is the BB pop of the list of songs from 1968 to 1977 among Elvis Presley's hit singles with a CB CW of 1, RIAA of P and was released before 1976?