Table:
No. | Title (Latin) | Title (English translation) | Subject | Date
1.0 | Qui Pluribus |  | On Faith and Religion | 9 November 1846
2.0 | Praedecessores Nostros |  | On Aid for Ireland | 25 March 1847
3.0 | Ubi Primum |  | On Discipline for Religious | 17 June 1847
4.0 | Ubi Primum |  | On Immaculate Conception | 2 February 1849
5.0 | Nostis Et Nobiscum |  | On the Church in the Papal States | 8 December 1849
6.0 | Exultavit Cor Nostrum |  | On the Effects of the Jubilee | 21 November 1851
7.0 | Nemo Certe Ignorat |  | On Discipline for Clergy | 25 March 1852
8.0 | Probe Noscitis Venerabiles |  | On the Discipline for Clergy | 17 May 1852
9.0 | Inter Multiplices |  | Pleading for Unity of Spirit | 21 March 1853
10.0 | Neminem Vestrum |  | On the Persecution of Armenians | 2 February 1854
11.0 | Optime Noscitis |  | On the Proposed Catholic University of Ireland | 20 March 1854
12.0 | Apostolicae Nostrae Caritatis |  | Urging Prayers of Peace | 1 August 1854
13.0 | Optime Noscitis |  | On Episcopal Meetings | 5 November 1855
14.0 | Singulari Quidem |  | On the Church in Austria | 17 March 1856
15.0 | Cum Nuper |  | On Care for Clerics | 20 January 1858
16.0 | Amantissimi Redemptoris |  | On Priests and the Care of Souls | 3 May 1858
17.0 | Cum Sancta Mater Ecclesia |  | Pleading for Public Prayer | 27 April 1859
18.0 | Qui Nuper |  | On the Pontifical States | 18 June 1859
19.0 | Nullis Certe Verbis |  | On the Need for Civil Sovereignty | 19 January 1860
20.0 | Amantissimus |  | On the Care of the Churches | 8 April 1862
21.0 | Quanto Conficiamur Moerore |  | On Promotion of False Doctrines | 10 August 1863
22.0 | Incredibili |  | On the Persecution in New Granada | 17 September 1863
23.0 | Maximae Quidem |  | On the Church in Bavaria | 18 August 1864
24.0 | Quanta Cura |  | Condemning Current Errors | 8 December 1864
25.0 | Meridionali Americae |  | On the Seminary for the Native Clergy | 30 September 1865
26.0 | Levate |  | On the Affiliations of Church | 27 October 1867
27.0 | Respicientes |  | Protesting the Taking of the Pontifical States | 1 November 1870
28.0 | Ubi Nos | Our City | On the Pontifical States | 15 May 1871
29.0 | Beneficia Dei |  | On the 25th Anniversary of His Pontificate | 4 June 1871
30.0 | Saepe Venerabiles Fratres |  | Thanksgiving for 25 Years of Pontificate | 5 August 1871
31.0 | Quae In Patriarchatu |  | On the Church in Chaldea | 16 November 1872
32.0 | Quartus Supra |  | On the Church in Armenia | January 1873
33.0 | Etsi Multa |  | On the Church in Italy, Germany and Switzerland | 21 November 1873
34.0 | Vix Dum A Nobis |  | On the Church in Austria | 7 March 1874
35.0 | Omnem Sollicitudinem |  | On the Greek-Ruthenian Rite | 13 May 1874
36.0 | Gravibus Ecclesiae |  | Proclaiming A Jubilee | 24 December 1874
37.0 | Quod Nunquam |  | On the Church in Prussia | 5 February 1875
38.0 | Graves Ac Diuturnae |  | On the Church in Switzerland | 23 March 1875

Question: total number of encyclicals on churches .
Answer: 11

Question: in the first 10 years of his reign, how many encyclicals did pope pius ix issue?
Answer: 14

Question: date of the last encyclical whose subject contained the word "pontificate"
Answer: 5 August 1871

Question: how often was an encyclical sent in january?
Answer: 3

Question: what is the total number of title?
Answer: 38

Question: how many encyclicals were issued between august 15, 1854 and october 26, 1867?
Answer: 13

Question: latin title of the encyclical before the encyclical with the subject "on the church in bavaria"
Answer: Incredibili

Question: what is the previous subject after on the effects of the jubilee?
Answer: On the Church in the Papal States

Question: what is the last title?
Answer: Graves Ac Diuturnae

Question: how many subjects are there?
Answer: 38